1 // SPDX-License-Identifier: ISC
2 /*
3  * Copyright (c) 2005-2011 Atheros Communications Inc.
4  * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
5  * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
6  */
7 
8 #include <linux/module.h>
9 #include <linux/firmware.h>
10 #include <linux/of.h>
11 #include <linux/property.h>
12 #include <linux/dmi.h>
13 #include <linux/ctype.h>
14 #include <linux/pm_qos.h>
15 #include <asm/byteorder.h>
16 
17 #include "core.h"
18 #include "mac.h"
19 #include "htc.h"
20 #include "hif.h"
21 #include "wmi.h"
22 #include "bmi.h"
23 #include "debug.h"
24 #include "htt.h"
25 #include "testmode.h"
26 #include "wmi-ops.h"
27 #include "coredump.h"
28 
29 unsigned int ath10k_debug_mask;
30 EXPORT_SYMBOL(ath10k_debug_mask);
31 
32 static unsigned int ath10k_cryptmode_param;
33 static bool uart_print;
34 static bool skip_otp;
35 static bool rawmode;
36 static bool fw_diag_log;
37 
38 unsigned long ath10k_coredump_mask = BIT(ATH10K_FW_CRASH_DUMP_REGISTERS) |
39 				     BIT(ATH10K_FW_CRASH_DUMP_CE_DATA);
40 
41 /* FIXME: most of these should be readonly */
42 module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
43 module_param_named(cryptmode, ath10k_cryptmode_param, uint, 0644);
44 module_param(uart_print, bool, 0644);
45 module_param(skip_otp, bool, 0644);
46 module_param(rawmode, bool, 0644);
47 module_param(fw_diag_log, bool, 0644);
48 module_param_named(coredump_mask, ath10k_coredump_mask, ulong, 0444);
49 
50 MODULE_PARM_DESC(debug_mask, "Debugging mask");
51 MODULE_PARM_DESC(uart_print, "Uart target debugging");
52 MODULE_PARM_DESC(skip_otp, "Skip otp failure for calibration in testmode");
53 MODULE_PARM_DESC(cryptmode, "Crypto mode: 0-hardware, 1-software");
54 MODULE_PARM_DESC(rawmode, "Use raw 802.11 frame datapath");
55 MODULE_PARM_DESC(coredump_mask, "Bitfield of what to include in firmware crash file");
56 MODULE_PARM_DESC(fw_diag_log, "Diag based fw log debugging");
57 
58 static const struct ath10k_hw_params ath10k_hw_params_list[] = {
59 	{
60 		.id = QCA988X_HW_2_0_VERSION,
61 		.dev_id = QCA988X_2_0_DEVICE_ID,
62 		.bus = ATH10K_BUS_PCI,
63 		.name = "qca988x hw2.0",
64 		.patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
65 		.uart_pin = 7,
66 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
67 		.otp_exe_param = 0,
68 		.channel_counters_freq_hz = 88000,
69 		.max_probe_resp_desc_thres = 0,
70 		.cal_data_len = 2116,
71 		.fw = {
72 			.dir = QCA988X_HW_2_0_FW_DIR,
73 			.board = QCA988X_HW_2_0_BOARD_DATA_FILE,
74 			.board_size = QCA988X_BOARD_DATA_SZ,
75 			.board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
76 		},
77 		.hw_ops = &qca988x_ops,
78 		.decap_align_bytes = 4,
79 		.spectral_bin_discard = 0,
80 		.spectral_bin_offset = 0,
81 		.vht160_mcs_rx_highest = 0,
82 		.vht160_mcs_tx_highest = 0,
83 		.n_cipher_suites = 8,
84 		.ast_skid_limit = 0x10,
85 		.num_wds_entries = 0x20,
86 		.target_64bit = false,
87 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
88 		.shadow_reg_support = false,
89 		.rri_on_ddr = false,
90 		.hw_filter_reset_required = true,
91 		.fw_diag_ce_download = false,
92 		.tx_stats_over_pktlog = true,
93 		.dynamic_sar_support = false,
94 	},
95 	{
96 		.id = QCA988X_HW_2_0_VERSION,
97 		.dev_id = QCA988X_2_0_DEVICE_ID_UBNT,
98 		.name = "qca988x hw2.0 ubiquiti",
99 		.patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
100 		.uart_pin = 7,
101 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
102 		.otp_exe_param = 0,
103 		.channel_counters_freq_hz = 88000,
104 		.max_probe_resp_desc_thres = 0,
105 		.cal_data_len = 2116,
106 		.fw = {
107 			.dir = QCA988X_HW_2_0_FW_DIR,
108 			.board = QCA988X_HW_2_0_BOARD_DATA_FILE,
109 			.board_size = QCA988X_BOARD_DATA_SZ,
110 			.board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
111 		},
112 		.hw_ops = &qca988x_ops,
113 		.decap_align_bytes = 4,
114 		.spectral_bin_discard = 0,
115 		.spectral_bin_offset = 0,
116 		.vht160_mcs_rx_highest = 0,
117 		.vht160_mcs_tx_highest = 0,
118 		.n_cipher_suites = 8,
119 		.ast_skid_limit = 0x10,
120 		.num_wds_entries = 0x20,
121 		.target_64bit = false,
122 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
123 		.shadow_reg_support = false,
124 		.rri_on_ddr = false,
125 		.hw_filter_reset_required = true,
126 		.fw_diag_ce_download = false,
127 		.tx_stats_over_pktlog = true,
128 		.dynamic_sar_support = false,
129 	},
130 	{
131 		.id = QCA9887_HW_1_0_VERSION,
132 		.dev_id = QCA9887_1_0_DEVICE_ID,
133 		.bus = ATH10K_BUS_PCI,
134 		.name = "qca9887 hw1.0",
135 		.patch_load_addr = QCA9887_HW_1_0_PATCH_LOAD_ADDR,
136 		.uart_pin = 7,
137 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
138 		.otp_exe_param = 0,
139 		.channel_counters_freq_hz = 88000,
140 		.max_probe_resp_desc_thres = 0,
141 		.cal_data_len = 2116,
142 		.fw = {
143 			.dir = QCA9887_HW_1_0_FW_DIR,
144 			.board = QCA9887_HW_1_0_BOARD_DATA_FILE,
145 			.board_size = QCA9887_BOARD_DATA_SZ,
146 			.board_ext_size = QCA9887_BOARD_EXT_DATA_SZ,
147 		},
148 		.hw_ops = &qca988x_ops,
149 		.decap_align_bytes = 4,
150 		.spectral_bin_discard = 0,
151 		.spectral_bin_offset = 0,
152 		.vht160_mcs_rx_highest = 0,
153 		.vht160_mcs_tx_highest = 0,
154 		.n_cipher_suites = 8,
155 		.ast_skid_limit = 0x10,
156 		.num_wds_entries = 0x20,
157 		.target_64bit = false,
158 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
159 		.shadow_reg_support = false,
160 		.rri_on_ddr = false,
161 		.hw_filter_reset_required = true,
162 		.fw_diag_ce_download = false,
163 		.tx_stats_over_pktlog = false,
164 		.dynamic_sar_support = false,
165 	},
166 	{
167 		.id = QCA6174_HW_3_2_VERSION,
168 		.dev_id = QCA6174_3_2_DEVICE_ID,
169 		.bus = ATH10K_BUS_SDIO,
170 		.name = "qca6174 hw3.2 sdio",
171 		.patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
172 		.uart_pin = 19,
173 		.otp_exe_param = 0,
174 		.channel_counters_freq_hz = 88000,
175 		.max_probe_resp_desc_thres = 0,
176 		.cal_data_len = 0,
177 		.fw = {
178 			.dir = QCA6174_HW_3_0_FW_DIR,
179 			.board = QCA6174_HW_3_0_BOARD_DATA_FILE,
180 			.board_size = QCA6174_BOARD_DATA_SZ,
181 			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
182 		},
183 		.hw_ops = &qca6174_sdio_ops,
184 		.hw_clk = qca6174_clk,
185 		.target_cpu_freq = 176000000,
186 		.decap_align_bytes = 4,
187 		.n_cipher_suites = 8,
188 		.num_peers = 10,
189 		.ast_skid_limit = 0x10,
190 		.num_wds_entries = 0x20,
191 		.uart_pin_workaround = true,
192 		.tx_stats_over_pktlog = false,
193 		.bmi_large_size_download = true,
194 		.supports_peer_stats_info = true,
195 		.dynamic_sar_support = true,
196 	},
197 	{
198 		.id = QCA6174_HW_2_1_VERSION,
199 		.dev_id = QCA6164_2_1_DEVICE_ID,
200 		.bus = ATH10K_BUS_PCI,
201 		.name = "qca6164 hw2.1",
202 		.patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
203 		.uart_pin = 6,
204 		.otp_exe_param = 0,
205 		.channel_counters_freq_hz = 88000,
206 		.max_probe_resp_desc_thres = 0,
207 		.cal_data_len = 8124,
208 		.fw = {
209 			.dir = QCA6174_HW_2_1_FW_DIR,
210 			.board = QCA6174_HW_2_1_BOARD_DATA_FILE,
211 			.board_size = QCA6174_BOARD_DATA_SZ,
212 			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
213 		},
214 		.hw_ops = &qca988x_ops,
215 		.decap_align_bytes = 4,
216 		.spectral_bin_discard = 0,
217 		.spectral_bin_offset = 0,
218 		.vht160_mcs_rx_highest = 0,
219 		.vht160_mcs_tx_highest = 0,
220 		.n_cipher_suites = 8,
221 		.ast_skid_limit = 0x10,
222 		.num_wds_entries = 0x20,
223 		.target_64bit = false,
224 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
225 		.shadow_reg_support = false,
226 		.rri_on_ddr = false,
227 		.hw_filter_reset_required = true,
228 		.fw_diag_ce_download = false,
229 		.tx_stats_over_pktlog = false,
230 		.dynamic_sar_support = false,
231 	},
232 	{
233 		.id = QCA6174_HW_2_1_VERSION,
234 		.dev_id = QCA6174_2_1_DEVICE_ID,
235 		.bus = ATH10K_BUS_PCI,
236 		.name = "qca6174 hw2.1",
237 		.patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
238 		.uart_pin = 6,
239 		.otp_exe_param = 0,
240 		.channel_counters_freq_hz = 88000,
241 		.max_probe_resp_desc_thres = 0,
242 		.cal_data_len = 8124,
243 		.fw = {
244 			.dir = QCA6174_HW_2_1_FW_DIR,
245 			.board = QCA6174_HW_2_1_BOARD_DATA_FILE,
246 			.board_size = QCA6174_BOARD_DATA_SZ,
247 			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
248 		},
249 		.hw_ops = &qca988x_ops,
250 		.decap_align_bytes = 4,
251 		.spectral_bin_discard = 0,
252 		.spectral_bin_offset = 0,
253 		.vht160_mcs_rx_highest = 0,
254 		.vht160_mcs_tx_highest = 0,
255 		.n_cipher_suites = 8,
256 		.ast_skid_limit = 0x10,
257 		.num_wds_entries = 0x20,
258 		.target_64bit = false,
259 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
260 		.shadow_reg_support = false,
261 		.rri_on_ddr = false,
262 		.hw_filter_reset_required = true,
263 		.fw_diag_ce_download = false,
264 		.tx_stats_over_pktlog = false,
265 		.dynamic_sar_support = false,
266 	},
267 	{
268 		.id = QCA6174_HW_3_0_VERSION,
269 		.dev_id = QCA6174_2_1_DEVICE_ID,
270 		.bus = ATH10K_BUS_PCI,
271 		.name = "qca6174 hw3.0",
272 		.patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
273 		.uart_pin = 6,
274 		.otp_exe_param = 0,
275 		.channel_counters_freq_hz = 88000,
276 		.max_probe_resp_desc_thres = 0,
277 		.cal_data_len = 8124,
278 		.fw = {
279 			.dir = QCA6174_HW_3_0_FW_DIR,
280 			.board = QCA6174_HW_3_0_BOARD_DATA_FILE,
281 			.board_size = QCA6174_BOARD_DATA_SZ,
282 			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
283 		},
284 		.hw_ops = &qca988x_ops,
285 		.decap_align_bytes = 4,
286 		.spectral_bin_discard = 0,
287 		.spectral_bin_offset = 0,
288 		.vht160_mcs_rx_highest = 0,
289 		.vht160_mcs_tx_highest = 0,
290 		.n_cipher_suites = 8,
291 		.ast_skid_limit = 0x10,
292 		.num_wds_entries = 0x20,
293 		.target_64bit = false,
294 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
295 		.shadow_reg_support = false,
296 		.rri_on_ddr = false,
297 		.hw_filter_reset_required = true,
298 		.fw_diag_ce_download = false,
299 		.tx_stats_over_pktlog = false,
300 		.dynamic_sar_support = false,
301 	},
302 	{
303 		.id = QCA6174_HW_3_2_VERSION,
304 		.dev_id = QCA6174_2_1_DEVICE_ID,
305 		.bus = ATH10K_BUS_PCI,
306 		.name = "qca6174 hw3.2",
307 		.patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
308 		.uart_pin = 6,
309 		.otp_exe_param = 0,
310 		.channel_counters_freq_hz = 88000,
311 		.max_probe_resp_desc_thres = 0,
312 		.cal_data_len = 8124,
313 		.fw = {
314 			/* uses same binaries as hw3.0 */
315 			.dir = QCA6174_HW_3_0_FW_DIR,
316 			.board = QCA6174_HW_3_0_BOARD_DATA_FILE,
317 			.board_size = QCA6174_BOARD_DATA_SZ,
318 			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
319 		},
320 		.hw_ops = &qca6174_ops,
321 		.hw_clk = qca6174_clk,
322 		.target_cpu_freq = 176000000,
323 		.decap_align_bytes = 4,
324 		.spectral_bin_discard = 0,
325 		.spectral_bin_offset = 0,
326 		.vht160_mcs_rx_highest = 0,
327 		.vht160_mcs_tx_highest = 0,
328 		.n_cipher_suites = 8,
329 		.ast_skid_limit = 0x10,
330 		.num_wds_entries = 0x20,
331 		.target_64bit = false,
332 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
333 		.shadow_reg_support = false,
334 		.rri_on_ddr = false,
335 		.hw_filter_reset_required = true,
336 		.fw_diag_ce_download = true,
337 		.tx_stats_over_pktlog = false,
338 		.supports_peer_stats_info = true,
339 		.dynamic_sar_support = true,
340 	},
341 	{
342 		.id = QCA99X0_HW_2_0_DEV_VERSION,
343 		.dev_id = QCA99X0_2_0_DEVICE_ID,
344 		.bus = ATH10K_BUS_PCI,
345 		.name = "qca99x0 hw2.0",
346 		.patch_load_addr = QCA99X0_HW_2_0_PATCH_LOAD_ADDR,
347 		.uart_pin = 7,
348 		.otp_exe_param = 0x00000700,
349 		.continuous_frag_desc = true,
350 		.cck_rate_map_rev2 = true,
351 		.channel_counters_freq_hz = 150000,
352 		.max_probe_resp_desc_thres = 24,
353 		.tx_chain_mask = 0xf,
354 		.rx_chain_mask = 0xf,
355 		.max_spatial_stream = 4,
356 		.cal_data_len = 12064,
357 		.fw = {
358 			.dir = QCA99X0_HW_2_0_FW_DIR,
359 			.board = QCA99X0_HW_2_0_BOARD_DATA_FILE,
360 			.board_size = QCA99X0_BOARD_DATA_SZ,
361 			.board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
362 		},
363 		.sw_decrypt_mcast_mgmt = true,
364 		.hw_ops = &qca99x0_ops,
365 		.decap_align_bytes = 1,
366 		.spectral_bin_discard = 4,
367 		.spectral_bin_offset = 0,
368 		.vht160_mcs_rx_highest = 0,
369 		.vht160_mcs_tx_highest = 0,
370 		.n_cipher_suites = 11,
371 		.ast_skid_limit = 0x10,
372 		.num_wds_entries = 0x20,
373 		.target_64bit = false,
374 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
375 		.shadow_reg_support = false,
376 		.rri_on_ddr = false,
377 		.hw_filter_reset_required = true,
378 		.fw_diag_ce_download = false,
379 		.tx_stats_over_pktlog = false,
380 		.dynamic_sar_support = false,
381 	},
382 	{
383 		.id = QCA9984_HW_1_0_DEV_VERSION,
384 		.dev_id = QCA9984_1_0_DEVICE_ID,
385 		.bus = ATH10K_BUS_PCI,
386 		.name = "qca9984/qca9994 hw1.0",
387 		.patch_load_addr = QCA9984_HW_1_0_PATCH_LOAD_ADDR,
388 		.uart_pin = 7,
389 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
390 		.otp_exe_param = 0x00000700,
391 		.continuous_frag_desc = true,
392 		.cck_rate_map_rev2 = true,
393 		.channel_counters_freq_hz = 150000,
394 		.max_probe_resp_desc_thres = 24,
395 		.tx_chain_mask = 0xf,
396 		.rx_chain_mask = 0xf,
397 		.max_spatial_stream = 4,
398 		.cal_data_len = 12064,
399 		.fw = {
400 			.dir = QCA9984_HW_1_0_FW_DIR,
401 			.board = QCA9984_HW_1_0_BOARD_DATA_FILE,
402 			.eboard = QCA9984_HW_1_0_EBOARD_DATA_FILE,
403 			.board_size = QCA99X0_BOARD_DATA_SZ,
404 			.board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
405 			.ext_board_size = QCA99X0_EXT_BOARD_DATA_SZ,
406 		},
407 		.sw_decrypt_mcast_mgmt = true,
408 		.hw_ops = &qca99x0_ops,
409 		.decap_align_bytes = 1,
410 		.spectral_bin_discard = 12,
411 		.spectral_bin_offset = 8,
412 
413 		/* Can do only 2x2 VHT160 or 80+80. 1560Mbps is 4x4 80Mhz
414 		 * or 2x2 160Mhz, long-guard-interval.
415 		 */
416 		.vht160_mcs_rx_highest = 1560,
417 		.vht160_mcs_tx_highest = 1560,
418 		.n_cipher_suites = 11,
419 		.ast_skid_limit = 0x10,
420 		.num_wds_entries = 0x20,
421 		.target_64bit = false,
422 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
423 		.shadow_reg_support = false,
424 		.rri_on_ddr = false,
425 		.hw_filter_reset_required = true,
426 		.fw_diag_ce_download = false,
427 		.tx_stats_over_pktlog = false,
428 		.dynamic_sar_support = false,
429 	},
430 	{
431 		.id = QCA9888_HW_2_0_DEV_VERSION,
432 		.dev_id = QCA9888_2_0_DEVICE_ID,
433 		.bus = ATH10K_BUS_PCI,
434 		.name = "qca9888 hw2.0",
435 		.patch_load_addr = QCA9888_HW_2_0_PATCH_LOAD_ADDR,
436 		.uart_pin = 7,
437 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
438 		.otp_exe_param = 0x00000700,
439 		.continuous_frag_desc = true,
440 		.channel_counters_freq_hz = 150000,
441 		.max_probe_resp_desc_thres = 24,
442 		.tx_chain_mask = 3,
443 		.rx_chain_mask = 3,
444 		.max_spatial_stream = 2,
445 		.cal_data_len = 12064,
446 		.fw = {
447 			.dir = QCA9888_HW_2_0_FW_DIR,
448 			.board = QCA9888_HW_2_0_BOARD_DATA_FILE,
449 			.board_size = QCA99X0_BOARD_DATA_SZ,
450 			.board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
451 		},
452 		.sw_decrypt_mcast_mgmt = true,
453 		.hw_ops = &qca99x0_ops,
454 		.decap_align_bytes = 1,
455 		.spectral_bin_discard = 12,
456 		.spectral_bin_offset = 8,
457 
458 		/* Can do only 1x1 VHT160 or 80+80. 780Mbps is 2x2 80Mhz or
459 		 * 1x1 160Mhz, long-guard-interval.
460 		 */
461 		.vht160_mcs_rx_highest = 780,
462 		.vht160_mcs_tx_highest = 780,
463 		.n_cipher_suites = 11,
464 		.ast_skid_limit = 0x10,
465 		.num_wds_entries = 0x20,
466 		.target_64bit = false,
467 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
468 		.shadow_reg_support = false,
469 		.rri_on_ddr = false,
470 		.hw_filter_reset_required = true,
471 		.fw_diag_ce_download = false,
472 		.tx_stats_over_pktlog = false,
473 		.dynamic_sar_support = false,
474 	},
475 	{
476 		.id = QCA9377_HW_1_0_DEV_VERSION,
477 		.dev_id = QCA9377_1_0_DEVICE_ID,
478 		.bus = ATH10K_BUS_PCI,
479 		.name = "qca9377 hw1.0",
480 		.patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
481 		.uart_pin = 6,
482 		.otp_exe_param = 0,
483 		.channel_counters_freq_hz = 88000,
484 		.max_probe_resp_desc_thres = 0,
485 		.cal_data_len = 8124,
486 		.fw = {
487 			.dir = QCA9377_HW_1_0_FW_DIR,
488 			.board = QCA9377_HW_1_0_BOARD_DATA_FILE,
489 			.board_size = QCA9377_BOARD_DATA_SZ,
490 			.board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
491 		},
492 		.hw_ops = &qca988x_ops,
493 		.decap_align_bytes = 4,
494 		.spectral_bin_discard = 0,
495 		.spectral_bin_offset = 0,
496 		.vht160_mcs_rx_highest = 0,
497 		.vht160_mcs_tx_highest = 0,
498 		.n_cipher_suites = 8,
499 		.ast_skid_limit = 0x10,
500 		.num_wds_entries = 0x20,
501 		.target_64bit = false,
502 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
503 		.shadow_reg_support = false,
504 		.rri_on_ddr = false,
505 		.hw_filter_reset_required = true,
506 		.fw_diag_ce_download = false,
507 		.tx_stats_over_pktlog = false,
508 		.dynamic_sar_support = false,
509 	},
510 	{
511 		.id = QCA9377_HW_1_1_DEV_VERSION,
512 		.dev_id = QCA9377_1_0_DEVICE_ID,
513 		.bus = ATH10K_BUS_PCI,
514 		.name = "qca9377 hw1.1",
515 		.patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
516 		.uart_pin = 6,
517 		.otp_exe_param = 0,
518 		.channel_counters_freq_hz = 88000,
519 		.max_probe_resp_desc_thres = 0,
520 		.cal_data_len = 8124,
521 		.fw = {
522 			.dir = QCA9377_HW_1_0_FW_DIR,
523 			.board = QCA9377_HW_1_0_BOARD_DATA_FILE,
524 			.board_size = QCA9377_BOARD_DATA_SZ,
525 			.board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
526 		},
527 		.hw_ops = &qca6174_ops,
528 		.hw_clk = qca6174_clk,
529 		.target_cpu_freq = 176000000,
530 		.decap_align_bytes = 4,
531 		.spectral_bin_discard = 0,
532 		.spectral_bin_offset = 0,
533 		.vht160_mcs_rx_highest = 0,
534 		.vht160_mcs_tx_highest = 0,
535 		.n_cipher_suites = 8,
536 		.ast_skid_limit = 0x10,
537 		.num_wds_entries = 0x20,
538 		.target_64bit = false,
539 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
540 		.shadow_reg_support = false,
541 		.rri_on_ddr = false,
542 		.hw_filter_reset_required = true,
543 		.fw_diag_ce_download = true,
544 		.tx_stats_over_pktlog = false,
545 		.dynamic_sar_support = false,
546 	},
547 	{
548 		.id = QCA9377_HW_1_1_DEV_VERSION,
549 		.dev_id = QCA9377_1_0_DEVICE_ID,
550 		.bus = ATH10K_BUS_SDIO,
551 		.name = "qca9377 hw1.1 sdio",
552 		.patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
553 		.uart_pin = 19,
554 		.otp_exe_param = 0,
555 		.channel_counters_freq_hz = 88000,
556 		.max_probe_resp_desc_thres = 0,
557 		.cal_data_len = 8124,
558 		.fw = {
559 			.dir = QCA9377_HW_1_0_FW_DIR,
560 			.board = QCA9377_HW_1_0_BOARD_DATA_FILE,
561 			.board_size = QCA9377_BOARD_DATA_SZ,
562 			.board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
563 		},
564 		.hw_ops = &qca6174_ops,
565 		.hw_clk = qca6174_clk,
566 		.target_cpu_freq = 176000000,
567 		.decap_align_bytes = 4,
568 		.n_cipher_suites = 8,
569 		.num_peers = TARGET_QCA9377_HL_NUM_PEERS,
570 		.ast_skid_limit = 0x10,
571 		.num_wds_entries = 0x20,
572 		.uart_pin_workaround = true,
573 		.dynamic_sar_support = false,
574 	},
575 	{
576 		.id = QCA4019_HW_1_0_DEV_VERSION,
577 		.dev_id = 0,
578 		.bus = ATH10K_BUS_AHB,
579 		.name = "qca4019 hw1.0",
580 		.patch_load_addr = QCA4019_HW_1_0_PATCH_LOAD_ADDR,
581 		.uart_pin = 7,
582 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
583 		.otp_exe_param = 0x0010000,
584 		.continuous_frag_desc = true,
585 		.cck_rate_map_rev2 = true,
586 		.channel_counters_freq_hz = 125000,
587 		.max_probe_resp_desc_thres = 24,
588 		.tx_chain_mask = 0x3,
589 		.rx_chain_mask = 0x3,
590 		.max_spatial_stream = 2,
591 		.cal_data_len = 12064,
592 		.fw = {
593 			.dir = QCA4019_HW_1_0_FW_DIR,
594 			.board = QCA4019_HW_1_0_BOARD_DATA_FILE,
595 			.board_size = QCA4019_BOARD_DATA_SZ,
596 			.board_ext_size = QCA4019_BOARD_EXT_DATA_SZ,
597 		},
598 		.sw_decrypt_mcast_mgmt = true,
599 		.hw_ops = &qca99x0_ops,
600 		.decap_align_bytes = 1,
601 		.spectral_bin_discard = 4,
602 		.spectral_bin_offset = 0,
603 		.vht160_mcs_rx_highest = 0,
604 		.vht160_mcs_tx_highest = 0,
605 		.n_cipher_suites = 11,
606 		.ast_skid_limit = 0x10,
607 		.num_wds_entries = 0x20,
608 		.target_64bit = false,
609 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
610 		.shadow_reg_support = false,
611 		.rri_on_ddr = false,
612 		.hw_filter_reset_required = true,
613 		.fw_diag_ce_download = false,
614 		.tx_stats_over_pktlog = false,
615 		.dynamic_sar_support = false,
616 	},
617 	{
618 		.id = WCN3990_HW_1_0_DEV_VERSION,
619 		.dev_id = 0,
620 		.bus = ATH10K_BUS_SNOC,
621 		.name = "wcn3990 hw1.0",
622 		.continuous_frag_desc = true,
623 		.tx_chain_mask = 0x7,
624 		.rx_chain_mask = 0x7,
625 		.max_spatial_stream = 4,
626 		.fw = {
627 			.dir = WCN3990_HW_1_0_FW_DIR,
628 		},
629 		.sw_decrypt_mcast_mgmt = true,
630 		.hw_ops = &wcn3990_ops,
631 		.decap_align_bytes = 1,
632 		.num_peers = TARGET_HL_TLV_NUM_PEERS,
633 		.n_cipher_suites = 11,
634 		.ast_skid_limit = TARGET_HL_TLV_AST_SKID_LIMIT,
635 		.num_wds_entries = TARGET_HL_TLV_NUM_WDS_ENTRIES,
636 		.target_64bit = true,
637 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL_DUAL_MAC,
638 		.shadow_reg_support = true,
639 		.rri_on_ddr = true,
640 		.hw_filter_reset_required = false,
641 		.fw_diag_ce_download = false,
642 		.tx_stats_over_pktlog = false,
643 		.dynamic_sar_support = true,
644 	},
645 };
646 
647 static const char *const ath10k_core_fw_feature_str[] = {
648 	[ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX] = "wmi-mgmt-rx",
649 	[ATH10K_FW_FEATURE_WMI_10X] = "wmi-10.x",
650 	[ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX] = "has-wmi-mgmt-tx",
651 	[ATH10K_FW_FEATURE_NO_P2P] = "no-p2p",
652 	[ATH10K_FW_FEATURE_WMI_10_2] = "wmi-10.2",
653 	[ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT] = "multi-vif-ps",
654 	[ATH10K_FW_FEATURE_WOWLAN_SUPPORT] = "wowlan",
655 	[ATH10K_FW_FEATURE_IGNORE_OTP_RESULT] = "ignore-otp",
656 	[ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING] = "no-4addr-pad",
657 	[ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT] = "skip-clock-init",
658 	[ATH10K_FW_FEATURE_RAW_MODE_SUPPORT] = "raw-mode",
659 	[ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA] = "adaptive-cca",
660 	[ATH10K_FW_FEATURE_MFP_SUPPORT] = "mfp",
661 	[ATH10K_FW_FEATURE_PEER_FLOW_CONTROL] = "peer-flow-ctrl",
662 	[ATH10K_FW_FEATURE_BTCOEX_PARAM] = "btcoex-param",
663 	[ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR] = "skip-null-func-war",
664 	[ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST] = "allows-mesh-bcast",
665 	[ATH10K_FW_FEATURE_NO_PS] = "no-ps",
666 	[ATH10K_FW_FEATURE_MGMT_TX_BY_REF] = "mgmt-tx-by-reference",
667 	[ATH10K_FW_FEATURE_NON_BMI] = "non-bmi",
668 	[ATH10K_FW_FEATURE_SINGLE_CHAN_INFO_PER_CHANNEL] = "single-chan-info-per-channel",
669 	[ATH10K_FW_FEATURE_PEER_FIXED_RATE] = "peer-fixed-rate",
670 	[ATH10K_FW_FEATURE_IRAM_RECOVERY] = "iram-recovery",
671 };
672 
ath10k_core_get_fw_feature_str(char * buf,size_t buf_len,enum ath10k_fw_features feat)673 static unsigned int ath10k_core_get_fw_feature_str(char *buf,
674 						   size_t buf_len,
675 						   enum ath10k_fw_features feat)
676 {
677 	/* make sure that ath10k_core_fw_feature_str[] gets updated */
678 	BUILD_BUG_ON(ARRAY_SIZE(ath10k_core_fw_feature_str) !=
679 		     ATH10K_FW_FEATURE_COUNT);
680 
681 	if (feat >= ARRAY_SIZE(ath10k_core_fw_feature_str) ||
682 	    WARN_ON(!ath10k_core_fw_feature_str[feat])) {
683 		return scnprintf(buf, buf_len, "bit%d", feat);
684 	}
685 
686 	return scnprintf(buf, buf_len, "%s", ath10k_core_fw_feature_str[feat]);
687 }
688 
ath10k_core_get_fw_features_str(struct ath10k * ar,char * buf,size_t buf_len)689 void ath10k_core_get_fw_features_str(struct ath10k *ar,
690 				     char *buf,
691 				     size_t buf_len)
692 {
693 	size_t len = 0;
694 	int i;
695 
696 	for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
697 		if (test_bit(i, ar->normal_mode_fw.fw_file.fw_features)) {
698 			if (len > 0)
699 				len += scnprintf(buf + len, buf_len - len, ",");
700 
701 			len += ath10k_core_get_fw_feature_str(buf + len,
702 							      buf_len - len,
703 							      i);
704 		}
705 	}
706 }
707 
ath10k_send_suspend_complete(struct ath10k * ar)708 static void ath10k_send_suspend_complete(struct ath10k *ar)
709 {
710 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n");
711 
712 	complete(&ar->target_suspend);
713 }
714 
ath10k_init_sdio(struct ath10k * ar,enum ath10k_firmware_mode mode)715 static int ath10k_init_sdio(struct ath10k *ar, enum ath10k_firmware_mode mode)
716 {
717 	int ret;
718 	u32 param = 0;
719 
720 	ret = ath10k_bmi_write32(ar, hi_mbox_io_block_sz, 256);
721 	if (ret)
722 		return ret;
723 
724 	ret = ath10k_bmi_write32(ar, hi_mbox_isr_yield_limit, 99);
725 	if (ret)
726 		return ret;
727 
728 	ret = ath10k_bmi_read32(ar, hi_acs_flags, &param);
729 	if (ret)
730 		return ret;
731 
732 	param |= HI_ACS_FLAGS_SDIO_REDUCE_TX_COMPL_SET;
733 
734 	if (mode == ATH10K_FIRMWARE_MODE_NORMAL)
735 		param |= HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE;
736 	else
737 		param &= ~HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE;
738 
739 	if (mode == ATH10K_FIRMWARE_MODE_UTF)
740 		param &= ~HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET;
741 	else
742 		param |= HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET;
743 
744 	ret = ath10k_bmi_write32(ar, hi_acs_flags, param);
745 	if (ret)
746 		return ret;
747 
748 	ret = ath10k_bmi_read32(ar, hi_option_flag2, &param);
749 	if (ret)
750 		return ret;
751 
752 	param |= HI_OPTION_SDIO_CRASH_DUMP_ENHANCEMENT_HOST;
753 
754 	ret = ath10k_bmi_write32(ar, hi_option_flag2, param);
755 	if (ret)
756 		return ret;
757 
758 	return 0;
759 }
760 
ath10k_init_configure_target(struct ath10k * ar)761 static int ath10k_init_configure_target(struct ath10k *ar)
762 {
763 	u32 param_host;
764 	int ret;
765 
766 	/* tell target which HTC version it is used*/
767 	ret = ath10k_bmi_write32(ar, hi_app_host_interest,
768 				 HTC_PROTOCOL_VERSION);
769 	if (ret) {
770 		ath10k_err(ar, "settings HTC version failed\n");
771 		return ret;
772 	}
773 
774 	/* set the firmware mode to STA/IBSS/AP */
775 	ret = ath10k_bmi_read32(ar, hi_option_flag, &param_host);
776 	if (ret) {
777 		ath10k_err(ar, "setting firmware mode (1/2) failed\n");
778 		return ret;
779 	}
780 
781 	/* TODO following parameters need to be re-visited. */
782 	/* num_device */
783 	param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT);
784 	/* Firmware mode */
785 	/* FIXME: Why FW_MODE_AP ??.*/
786 	param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT);
787 	/* mac_addr_method */
788 	param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
789 	/* firmware_bridge */
790 	param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);
791 	/* fwsubmode */
792 	param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT);
793 
794 	ret = ath10k_bmi_write32(ar, hi_option_flag, param_host);
795 	if (ret) {
796 		ath10k_err(ar, "setting firmware mode (2/2) failed\n");
797 		return ret;
798 	}
799 
800 	/* We do all byte-swapping on the host */
801 	ret = ath10k_bmi_write32(ar, hi_be, 0);
802 	if (ret) {
803 		ath10k_err(ar, "setting host CPU BE mode failed\n");
804 		return ret;
805 	}
806 
807 	/* FW descriptor/Data swap flags */
808 	ret = ath10k_bmi_write32(ar, hi_fw_swap, 0);
809 
810 	if (ret) {
811 		ath10k_err(ar, "setting FW data/desc swap flags failed\n");
812 		return ret;
813 	}
814 
815 	/* Some devices have a special sanity check that verifies the PCI
816 	 * Device ID is written to this host interest var. It is known to be
817 	 * required to boot QCA6164.
818 	 */
819 	ret = ath10k_bmi_write32(ar, hi_hci_uart_pwr_mgmt_params_ext,
820 				 ar->dev_id);
821 	if (ret) {
822 		ath10k_err(ar, "failed to set pwr_mgmt_params: %d\n", ret);
823 		return ret;
824 	}
825 
826 	return 0;
827 }
828 
ath10k_fetch_fw_file(struct ath10k * ar,const char * dir,const char * file)829 static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar,
830 						   const char *dir,
831 						   const char *file)
832 {
833 	char filename[100];
834 	const struct firmware *fw;
835 	int ret;
836 
837 	if (file == NULL)
838 		return ERR_PTR(-ENOENT);
839 
840 	if (dir == NULL)
841 		dir = ".";
842 
843 	snprintf(filename, sizeof(filename), "%s/%s", dir, file);
844 	ret = firmware_request_nowarn(&fw, filename, ar->dev);
845 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot fw request '%s': %d\n",
846 		   filename, ret);
847 
848 	if (ret)
849 		return ERR_PTR(ret);
850 
851 	return fw;
852 }
853 
ath10k_push_board_ext_data(struct ath10k * ar,const void * data,size_t data_len)854 static int ath10k_push_board_ext_data(struct ath10k *ar, const void *data,
855 				      size_t data_len)
856 {
857 	u32 board_data_size = ar->hw_params.fw.board_size;
858 	u32 board_ext_data_size = ar->hw_params.fw.board_ext_size;
859 	u32 board_ext_data_addr;
860 	int ret;
861 
862 	ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
863 	if (ret) {
864 		ath10k_err(ar, "could not read board ext data addr (%d)\n",
865 			   ret);
866 		return ret;
867 	}
868 
869 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
870 		   "boot push board extended data addr 0x%x\n",
871 		   board_ext_data_addr);
872 
873 	if (board_ext_data_addr == 0)
874 		return 0;
875 
876 	if (data_len != (board_data_size + board_ext_data_size)) {
877 		ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n",
878 			   data_len, board_data_size, board_ext_data_size);
879 		return -EINVAL;
880 	}
881 
882 	ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
883 				      data + board_data_size,
884 				      board_ext_data_size);
885 	if (ret) {
886 		ath10k_err(ar, "could not write board ext data (%d)\n", ret);
887 		return ret;
888 	}
889 
890 	ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
891 				 (board_ext_data_size << 16) | 1);
892 	if (ret) {
893 		ath10k_err(ar, "could not write board ext data bit (%d)\n",
894 			   ret);
895 		return ret;
896 	}
897 
898 	return 0;
899 }
900 
ath10k_core_get_board_id_from_otp(struct ath10k * ar)901 static int ath10k_core_get_board_id_from_otp(struct ath10k *ar)
902 {
903 	u32 result, address;
904 	u8 board_id, chip_id;
905 	bool ext_bid_support;
906 	int ret, bmi_board_id_param;
907 
908 	address = ar->hw_params.patch_load_addr;
909 
910 	if (!ar->normal_mode_fw.fw_file.otp_data ||
911 	    !ar->normal_mode_fw.fw_file.otp_len) {
912 		ath10k_warn(ar,
913 			    "failed to retrieve board id because of invalid otp\n");
914 		return -ENODATA;
915 	}
916 
917 	if (ar->id.bmi_ids_valid) {
918 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
919 			   "boot already acquired valid otp board id,skip download, board_id %d chip_id %d\n",
920 			   ar->id.bmi_board_id, ar->id.bmi_chip_id);
921 		goto skip_otp_download;
922 	}
923 
924 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
925 		   "boot upload otp to 0x%x len %zd for board id\n",
926 		   address, ar->normal_mode_fw.fw_file.otp_len);
927 
928 	ret = ath10k_bmi_fast_download(ar, address,
929 				       ar->normal_mode_fw.fw_file.otp_data,
930 				       ar->normal_mode_fw.fw_file.otp_len);
931 	if (ret) {
932 		ath10k_err(ar, "could not write otp for board id check: %d\n",
933 			   ret);
934 		return ret;
935 	}
936 
937 	if (ar->cal_mode == ATH10K_PRE_CAL_MODE_DT ||
938 	    ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE)
939 		bmi_board_id_param = BMI_PARAM_GET_FLASH_BOARD_ID;
940 	else
941 		bmi_board_id_param = BMI_PARAM_GET_EEPROM_BOARD_ID;
942 
943 	ret = ath10k_bmi_execute(ar, address, bmi_board_id_param, &result);
944 	if (ret) {
945 		ath10k_err(ar, "could not execute otp for board id check: %d\n",
946 			   ret);
947 		return ret;
948 	}
949 
950 	board_id = MS(result, ATH10K_BMI_BOARD_ID_FROM_OTP);
951 	chip_id = MS(result, ATH10K_BMI_CHIP_ID_FROM_OTP);
952 	ext_bid_support = (result & ATH10K_BMI_EXT_BOARD_ID_SUPPORT);
953 
954 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
955 		   "boot get otp board id result 0x%08x board_id %d chip_id %d ext_bid_support %d\n",
956 		   result, board_id, chip_id, ext_bid_support);
957 
958 	ar->id.ext_bid_supported = ext_bid_support;
959 
960 	if ((result & ATH10K_BMI_BOARD_ID_STATUS_MASK) != 0 ||
961 	    (board_id == 0)) {
962 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
963 			   "board id does not exist in otp, ignore it\n");
964 		return -EOPNOTSUPP;
965 	}
966 
967 	ar->id.bmi_ids_valid = true;
968 	ar->id.bmi_board_id = board_id;
969 	ar->id.bmi_chip_id = chip_id;
970 
971 skip_otp_download:
972 
973 	return 0;
974 }
975 
ath10k_core_check_bdfext(const struct dmi_header * hdr,void * data)976 static void ath10k_core_check_bdfext(const struct dmi_header *hdr, void *data)
977 {
978 	struct ath10k *ar = data;
979 	const char *bdf_ext;
980 	const char *magic = ATH10K_SMBIOS_BDF_EXT_MAGIC;
981 	u8 bdf_enabled;
982 	int i;
983 
984 	if (hdr->type != ATH10K_SMBIOS_BDF_EXT_TYPE)
985 		return;
986 
987 	if (hdr->length != ATH10K_SMBIOS_BDF_EXT_LENGTH) {
988 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
989 			   "wrong smbios bdf ext type length (%d).\n",
990 			   hdr->length);
991 		return;
992 	}
993 
994 	bdf_enabled = *((u8 *)hdr + ATH10K_SMBIOS_BDF_EXT_OFFSET);
995 	if (!bdf_enabled) {
996 		ath10k_dbg(ar, ATH10K_DBG_BOOT, "bdf variant name not found.\n");
997 		return;
998 	}
999 
1000 	/* Only one string exists (per spec) */
1001 	bdf_ext = (char *)hdr + hdr->length;
1002 
1003 	if (memcmp(bdf_ext, magic, strlen(magic)) != 0) {
1004 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1005 			   "bdf variant magic does not match.\n");
1006 		return;
1007 	}
1008 
1009 	for (i = 0; i < strlen(bdf_ext); i++) {
1010 		if (!isascii(bdf_ext[i]) || !isprint(bdf_ext[i])) {
1011 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1012 				   "bdf variant name contains non ascii chars.\n");
1013 			return;
1014 		}
1015 	}
1016 
1017 	/* Copy extension name without magic suffix */
1018 	if (strscpy(ar->id.bdf_ext, bdf_ext + strlen(magic),
1019 		    sizeof(ar->id.bdf_ext)) < 0) {
1020 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1021 			   "bdf variant string is longer than the buffer can accommodate (variant: %s)\n",
1022 			    bdf_ext);
1023 		return;
1024 	}
1025 
1026 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1027 		   "found and validated bdf variant smbios_type 0x%x bdf %s\n",
1028 		   ATH10K_SMBIOS_BDF_EXT_TYPE, bdf_ext);
1029 }
1030 
ath10k_core_check_smbios(struct ath10k * ar)1031 static int ath10k_core_check_smbios(struct ath10k *ar)
1032 {
1033 	ar->id.bdf_ext[0] = '\0';
1034 	dmi_walk(ath10k_core_check_bdfext, ar);
1035 
1036 	if (ar->id.bdf_ext[0] == '\0')
1037 		return -ENODATA;
1038 
1039 	return 0;
1040 }
1041 
ath10k_core_check_dt(struct ath10k * ar)1042 int ath10k_core_check_dt(struct ath10k *ar)
1043 {
1044 	struct device_node *node;
1045 	const char *variant = NULL;
1046 
1047 	node = ar->dev->of_node;
1048 	if (!node)
1049 		return -ENOENT;
1050 
1051 	of_property_read_string(node, "qcom,ath10k-calibration-variant",
1052 				&variant);
1053 	if (!variant)
1054 		return -ENODATA;
1055 
1056 	if (strscpy(ar->id.bdf_ext, variant, sizeof(ar->id.bdf_ext)) < 0)
1057 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1058 			   "bdf variant string is longer than the buffer can accommodate (variant: %s)\n",
1059 			    variant);
1060 
1061 	return 0;
1062 }
1063 EXPORT_SYMBOL(ath10k_core_check_dt);
1064 
ath10k_download_fw(struct ath10k * ar)1065 static int ath10k_download_fw(struct ath10k *ar)
1066 {
1067 	u32 address, data_len;
1068 	const void *data;
1069 	int ret;
1070 	struct pm_qos_request latency_qos;
1071 
1072 	address = ar->hw_params.patch_load_addr;
1073 
1074 	data = ar->running_fw->fw_file.firmware_data;
1075 	data_len = ar->running_fw->fw_file.firmware_len;
1076 
1077 	ret = ath10k_swap_code_seg_configure(ar, &ar->running_fw->fw_file);
1078 	if (ret) {
1079 		ath10k_err(ar, "failed to configure fw code swap: %d\n",
1080 			   ret);
1081 		return ret;
1082 	}
1083 
1084 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1085 		   "boot uploading firmware image %pK len %d\n",
1086 		   data, data_len);
1087 
1088 	/* Check if device supports to download firmware via
1089 	 * diag copy engine. Downloading firmware via diag CE
1090 	 * greatly reduces the time to download firmware.
1091 	 */
1092 	if (ar->hw_params.fw_diag_ce_download) {
1093 		ret = ath10k_hw_diag_fast_download(ar, address,
1094 						   data, data_len);
1095 		if (ret == 0)
1096 			/* firmware upload via diag ce was successful */
1097 			return 0;
1098 
1099 		ath10k_warn(ar,
1100 			    "failed to upload firmware via diag ce, trying BMI: %d",
1101 			    ret);
1102 	}
1103 
1104 	memset(&latency_qos, 0, sizeof(latency_qos));
1105 	cpu_latency_qos_add_request(&latency_qos, 0);
1106 
1107 	ret = ath10k_bmi_fast_download(ar, address, data, data_len);
1108 
1109 	cpu_latency_qos_remove_request(&latency_qos);
1110 
1111 	return ret;
1112 }
1113 
ath10k_core_free_board_files(struct ath10k * ar)1114 void ath10k_core_free_board_files(struct ath10k *ar)
1115 {
1116 	if (!IS_ERR(ar->normal_mode_fw.board))
1117 		release_firmware(ar->normal_mode_fw.board);
1118 
1119 	if (!IS_ERR(ar->normal_mode_fw.ext_board))
1120 		release_firmware(ar->normal_mode_fw.ext_board);
1121 
1122 	ar->normal_mode_fw.board = NULL;
1123 	ar->normal_mode_fw.board_data = NULL;
1124 	ar->normal_mode_fw.board_len = 0;
1125 	ar->normal_mode_fw.ext_board = NULL;
1126 	ar->normal_mode_fw.ext_board_data = NULL;
1127 	ar->normal_mode_fw.ext_board_len = 0;
1128 }
1129 EXPORT_SYMBOL(ath10k_core_free_board_files);
1130 
ath10k_core_free_firmware_files(struct ath10k * ar)1131 static void ath10k_core_free_firmware_files(struct ath10k *ar)
1132 {
1133 	if (!IS_ERR(ar->normal_mode_fw.fw_file.firmware))
1134 		release_firmware(ar->normal_mode_fw.fw_file.firmware);
1135 
1136 	if (!IS_ERR(ar->cal_file))
1137 		release_firmware(ar->cal_file);
1138 
1139 	if (!IS_ERR(ar->pre_cal_file))
1140 		release_firmware(ar->pre_cal_file);
1141 
1142 	ath10k_swap_code_seg_release(ar, &ar->normal_mode_fw.fw_file);
1143 
1144 	ar->normal_mode_fw.fw_file.otp_data = NULL;
1145 	ar->normal_mode_fw.fw_file.otp_len = 0;
1146 
1147 	ar->normal_mode_fw.fw_file.firmware = NULL;
1148 	ar->normal_mode_fw.fw_file.firmware_data = NULL;
1149 	ar->normal_mode_fw.fw_file.firmware_len = 0;
1150 
1151 	ar->cal_file = NULL;
1152 	ar->pre_cal_file = NULL;
1153 }
1154 
ath10k_fetch_cal_file(struct ath10k * ar)1155 static int ath10k_fetch_cal_file(struct ath10k *ar)
1156 {
1157 	char filename[100];
1158 
1159 	/* pre-cal-<bus>-<id>.bin */
1160 	scnprintf(filename, sizeof(filename), "pre-cal-%s-%s.bin",
1161 		  ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
1162 
1163 	ar->pre_cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
1164 	if (!IS_ERR(ar->pre_cal_file))
1165 		goto success;
1166 
1167 	/* cal-<bus>-<id>.bin */
1168 	scnprintf(filename, sizeof(filename), "cal-%s-%s.bin",
1169 		  ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
1170 
1171 	ar->cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
1172 	if (IS_ERR(ar->cal_file))
1173 		/* calibration file is optional, don't print any warnings */
1174 		return PTR_ERR(ar->cal_file);
1175 success:
1176 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "found calibration file %s/%s\n",
1177 		   ATH10K_FW_DIR, filename);
1178 
1179 	return 0;
1180 }
1181 
ath10k_core_fetch_board_data_api_1(struct ath10k * ar,int bd_ie_type)1182 static int ath10k_core_fetch_board_data_api_1(struct ath10k *ar, int bd_ie_type)
1183 {
1184 	const struct firmware *fw;
1185 
1186 	if (bd_ie_type == ATH10K_BD_IE_BOARD) {
1187 		if (!ar->hw_params.fw.board) {
1188 			ath10k_err(ar, "failed to find board file fw entry\n");
1189 			return -EINVAL;
1190 		}
1191 
1192 		ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar,
1193 								ar->hw_params.fw.dir,
1194 								ar->hw_params.fw.board);
1195 		if (IS_ERR(ar->normal_mode_fw.board))
1196 			return PTR_ERR(ar->normal_mode_fw.board);
1197 
1198 		ar->normal_mode_fw.board_data = ar->normal_mode_fw.board->data;
1199 		ar->normal_mode_fw.board_len = ar->normal_mode_fw.board->size;
1200 	} else if (bd_ie_type == ATH10K_BD_IE_BOARD_EXT) {
1201 		if (!ar->hw_params.fw.eboard) {
1202 			ath10k_err(ar, "failed to find eboard file fw entry\n");
1203 			return -EINVAL;
1204 		}
1205 
1206 		fw = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
1207 					  ar->hw_params.fw.eboard);
1208 		ar->normal_mode_fw.ext_board = fw;
1209 		if (IS_ERR(ar->normal_mode_fw.ext_board))
1210 			return PTR_ERR(ar->normal_mode_fw.ext_board);
1211 
1212 		ar->normal_mode_fw.ext_board_data = ar->normal_mode_fw.ext_board->data;
1213 		ar->normal_mode_fw.ext_board_len = ar->normal_mode_fw.ext_board->size;
1214 	}
1215 
1216 	return 0;
1217 }
1218 
ath10k_core_parse_bd_ie_board(struct ath10k * ar,const void * buf,size_t buf_len,const char * boardname,int bd_ie_type)1219 static int ath10k_core_parse_bd_ie_board(struct ath10k *ar,
1220 					 const void *buf, size_t buf_len,
1221 					 const char *boardname,
1222 					 int bd_ie_type)
1223 {
1224 	const struct ath10k_fw_ie *hdr;
1225 	bool name_match_found;
1226 	int ret, board_ie_id;
1227 	size_t board_ie_len;
1228 	const void *board_ie_data;
1229 
1230 	name_match_found = false;
1231 
1232 	/* go through ATH10K_BD_IE_BOARD_ elements */
1233 	while (buf_len > sizeof(struct ath10k_fw_ie)) {
1234 		hdr = buf;
1235 		board_ie_id = le32_to_cpu(hdr->id);
1236 		board_ie_len = le32_to_cpu(hdr->len);
1237 		board_ie_data = hdr->data;
1238 
1239 		buf_len -= sizeof(*hdr);
1240 		buf += sizeof(*hdr);
1241 
1242 		if (buf_len < ALIGN(board_ie_len, 4)) {
1243 			ath10k_err(ar, "invalid ATH10K_BD_IE_BOARD length: %zu < %zu\n",
1244 				   buf_len, ALIGN(board_ie_len, 4));
1245 			ret = -EINVAL;
1246 			goto out;
1247 		}
1248 
1249 		switch (board_ie_id) {
1250 		case ATH10K_BD_IE_BOARD_NAME:
1251 			ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "board name", "",
1252 					board_ie_data, board_ie_len);
1253 
1254 			if (board_ie_len != strlen(boardname))
1255 				break;
1256 
1257 			ret = memcmp(board_ie_data, boardname, strlen(boardname));
1258 			if (ret)
1259 				break;
1260 
1261 			name_match_found = true;
1262 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1263 				   "boot found match for name '%s'",
1264 				   boardname);
1265 			break;
1266 		case ATH10K_BD_IE_BOARD_DATA:
1267 			if (!name_match_found)
1268 				/* no match found */
1269 				break;
1270 
1271 			if (bd_ie_type == ATH10K_BD_IE_BOARD) {
1272 				ath10k_dbg(ar, ATH10K_DBG_BOOT,
1273 					   "boot found board data for '%s'",
1274 						boardname);
1275 
1276 				ar->normal_mode_fw.board_data = board_ie_data;
1277 				ar->normal_mode_fw.board_len = board_ie_len;
1278 			} else if (bd_ie_type == ATH10K_BD_IE_BOARD_EXT) {
1279 				ath10k_dbg(ar, ATH10K_DBG_BOOT,
1280 					   "boot found eboard data for '%s'",
1281 						boardname);
1282 
1283 				ar->normal_mode_fw.ext_board_data = board_ie_data;
1284 				ar->normal_mode_fw.ext_board_len = board_ie_len;
1285 			}
1286 
1287 			ret = 0;
1288 			goto out;
1289 		default:
1290 			ath10k_warn(ar, "unknown ATH10K_BD_IE_BOARD found: %d\n",
1291 				    board_ie_id);
1292 			break;
1293 		}
1294 
1295 		/* jump over the padding */
1296 		board_ie_len = ALIGN(board_ie_len, 4);
1297 
1298 		buf_len -= board_ie_len;
1299 		buf += board_ie_len;
1300 	}
1301 
1302 	/* no match found */
1303 	ret = -ENOENT;
1304 
1305 out:
1306 	return ret;
1307 }
1308 
ath10k_core_search_bd(struct ath10k * ar,const char * boardname,const u8 * data,size_t len)1309 static int ath10k_core_search_bd(struct ath10k *ar,
1310 				 const char *boardname,
1311 				 const u8 *data,
1312 				 size_t len)
1313 {
1314 	size_t ie_len;
1315 	struct ath10k_fw_ie *hdr;
1316 	int ret = -ENOENT, ie_id;
1317 
1318 	while (len > sizeof(struct ath10k_fw_ie)) {
1319 		hdr = (struct ath10k_fw_ie *)data;
1320 		ie_id = le32_to_cpu(hdr->id);
1321 		ie_len = le32_to_cpu(hdr->len);
1322 
1323 		len -= sizeof(*hdr);
1324 		data = hdr->data;
1325 
1326 		if (len < ALIGN(ie_len, 4)) {
1327 			ath10k_err(ar, "invalid length for board ie_id %d ie_len %zu len %zu\n",
1328 				   ie_id, ie_len, len);
1329 			return -EINVAL;
1330 		}
1331 
1332 		switch (ie_id) {
1333 		case ATH10K_BD_IE_BOARD:
1334 			ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
1335 							    boardname,
1336 							    ATH10K_BD_IE_BOARD);
1337 			if (ret == -ENOENT)
1338 				/* no match found, continue */
1339 				break;
1340 
1341 			/* either found or error, so stop searching */
1342 			goto out;
1343 		case ATH10K_BD_IE_BOARD_EXT:
1344 			ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
1345 							    boardname,
1346 							    ATH10K_BD_IE_BOARD_EXT);
1347 			if (ret == -ENOENT)
1348 				/* no match found, continue */
1349 				break;
1350 
1351 			/* either found or error, so stop searching */
1352 			goto out;
1353 		}
1354 
1355 		/* jump over the padding */
1356 		ie_len = ALIGN(ie_len, 4);
1357 
1358 		len -= ie_len;
1359 		data += ie_len;
1360 	}
1361 
1362 out:
1363 	/* return result of parse_bd_ie_board() or -ENOENT */
1364 	return ret;
1365 }
1366 
ath10k_core_fetch_board_data_api_n(struct ath10k * ar,const char * boardname,const char * fallback_boardname1,const char * fallback_boardname2,const char * filename)1367 static int ath10k_core_fetch_board_data_api_n(struct ath10k *ar,
1368 					      const char *boardname,
1369 					      const char *fallback_boardname1,
1370 					      const char *fallback_boardname2,
1371 					      const char *filename)
1372 {
1373 	size_t len, magic_len;
1374 	const u8 *data;
1375 	int ret;
1376 
1377 	/* Skip if already fetched during board data download */
1378 	if (!ar->normal_mode_fw.board)
1379 		ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar,
1380 								ar->hw_params.fw.dir,
1381 								filename);
1382 	if (IS_ERR(ar->normal_mode_fw.board))
1383 		return PTR_ERR(ar->normal_mode_fw.board);
1384 
1385 	data = ar->normal_mode_fw.board->data;
1386 	len = ar->normal_mode_fw.board->size;
1387 
1388 	/* magic has extra null byte padded */
1389 	magic_len = strlen(ATH10K_BOARD_MAGIC) + 1;
1390 	if (len < magic_len) {
1391 		ath10k_err(ar, "failed to find magic value in %s/%s, file too short: %zu\n",
1392 			   ar->hw_params.fw.dir, filename, len);
1393 		ret = -EINVAL;
1394 		goto err;
1395 	}
1396 
1397 	if (memcmp(data, ATH10K_BOARD_MAGIC, magic_len)) {
1398 		ath10k_err(ar, "found invalid board magic\n");
1399 		ret = -EINVAL;
1400 		goto err;
1401 	}
1402 
1403 	/* magic is padded to 4 bytes */
1404 	magic_len = ALIGN(magic_len, 4);
1405 	if (len < magic_len) {
1406 		ath10k_err(ar, "failed: %s/%s too small to contain board data, len: %zu\n",
1407 			   ar->hw_params.fw.dir, filename, len);
1408 		ret = -EINVAL;
1409 		goto err;
1410 	}
1411 
1412 	data += magic_len;
1413 	len -= magic_len;
1414 
1415 	/* attempt to find boardname in the IE list */
1416 	ret = ath10k_core_search_bd(ar, boardname, data, len);
1417 
1418 	/* if we didn't find it and have a fallback name, try that */
1419 	if (ret == -ENOENT && fallback_boardname1)
1420 		ret = ath10k_core_search_bd(ar, fallback_boardname1, data, len);
1421 
1422 	if (ret == -ENOENT && fallback_boardname2)
1423 		ret = ath10k_core_search_bd(ar, fallback_boardname2, data, len);
1424 
1425 	if (ret == -ENOENT) {
1426 		ath10k_err(ar,
1427 			   "failed to fetch board data for %s from %s/%s\n",
1428 			   boardname, ar->hw_params.fw.dir, filename);
1429 		ret = -ENODATA;
1430 	}
1431 
1432 	if (ret)
1433 		goto err;
1434 
1435 	return 0;
1436 
1437 err:
1438 	ath10k_core_free_board_files(ar);
1439 	return ret;
1440 }
1441 
ath10k_core_create_board_name(struct ath10k * ar,char * name,size_t name_len,bool with_variant,bool with_chip_id)1442 static int ath10k_core_create_board_name(struct ath10k *ar, char *name,
1443 					 size_t name_len, bool with_variant,
1444 					 bool with_chip_id)
1445 {
1446 	/* strlen(',variant=') + strlen(ar->id.bdf_ext) */
1447 	char variant[9 + ATH10K_SMBIOS_BDF_EXT_STR_LENGTH] = { 0 };
1448 
1449 	if (with_variant && ar->id.bdf_ext[0] != '\0')
1450 		scnprintf(variant, sizeof(variant), ",variant=%s",
1451 			  ar->id.bdf_ext);
1452 
1453 	if (ar->id.bmi_ids_valid) {
1454 		scnprintf(name, name_len,
1455 			  "bus=%s,bmi-chip-id=%d,bmi-board-id=%d%s",
1456 			  ath10k_bus_str(ar->hif.bus),
1457 			  ar->id.bmi_chip_id,
1458 			  ar->id.bmi_board_id, variant);
1459 		goto out;
1460 	}
1461 
1462 	if (ar->id.qmi_ids_valid) {
1463 		if (with_chip_id)
1464 			scnprintf(name, name_len,
1465 				  "bus=%s,qmi-board-id=%x,qmi-chip-id=%x%s",
1466 				  ath10k_bus_str(ar->hif.bus),
1467 				  ar->id.qmi_board_id, ar->id.qmi_chip_id,
1468 				  variant);
1469 		else
1470 			scnprintf(name, name_len,
1471 				  "bus=%s,qmi-board-id=%x",
1472 				  ath10k_bus_str(ar->hif.bus),
1473 				  ar->id.qmi_board_id);
1474 		goto out;
1475 	}
1476 
1477 	scnprintf(name, name_len,
1478 		  "bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x%s",
1479 		  ath10k_bus_str(ar->hif.bus),
1480 		  ar->id.vendor, ar->id.device,
1481 		  ar->id.subsystem_vendor, ar->id.subsystem_device, variant);
1482 out:
1483 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using board name '%s'\n", name);
1484 
1485 	return 0;
1486 }
1487 
ath10k_core_create_eboard_name(struct ath10k * ar,char * name,size_t name_len)1488 static int ath10k_core_create_eboard_name(struct ath10k *ar, char *name,
1489 					  size_t name_len)
1490 {
1491 	if (ar->id.bmi_ids_valid) {
1492 		scnprintf(name, name_len,
1493 			  "bus=%s,bmi-chip-id=%d,bmi-eboard-id=%d",
1494 			  ath10k_bus_str(ar->hif.bus),
1495 			  ar->id.bmi_chip_id,
1496 			  ar->id.bmi_eboard_id);
1497 
1498 		ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using eboard name '%s'\n", name);
1499 		return 0;
1500 	}
1501 	/* Fallback if returned board id is zero */
1502 	return -1;
1503 }
1504 
ath10k_core_fetch_board_file(struct ath10k * ar,int bd_ie_type)1505 int ath10k_core_fetch_board_file(struct ath10k *ar, int bd_ie_type)
1506 {
1507 	char boardname[100], fallback_boardname1[100], fallback_boardname2[100];
1508 	int ret;
1509 
1510 	if (bd_ie_type == ATH10K_BD_IE_BOARD) {
1511 		/* With variant and chip id */
1512 		ret = ath10k_core_create_board_name(ar, boardname,
1513 						    sizeof(boardname), true,
1514 						    true);
1515 		if (ret) {
1516 			ath10k_err(ar, "failed to create board name: %d", ret);
1517 			return ret;
1518 		}
1519 
1520 		/* Without variant and only chip-id */
1521 		ret = ath10k_core_create_board_name(ar, fallback_boardname1,
1522 						    sizeof(boardname), false,
1523 						    true);
1524 		if (ret) {
1525 			ath10k_err(ar, "failed to create 1st fallback board name: %d",
1526 				   ret);
1527 			return ret;
1528 		}
1529 
1530 		/* Without variant and without chip-id */
1531 		ret = ath10k_core_create_board_name(ar, fallback_boardname2,
1532 						    sizeof(boardname), false,
1533 						    false);
1534 		if (ret) {
1535 			ath10k_err(ar, "failed to create 2nd fallback board name: %d",
1536 				   ret);
1537 			return ret;
1538 		}
1539 	} else if (bd_ie_type == ATH10K_BD_IE_BOARD_EXT) {
1540 		ret = ath10k_core_create_eboard_name(ar, boardname,
1541 						     sizeof(boardname));
1542 		if (ret) {
1543 			ath10k_err(ar, "fallback to eboard.bin since board id 0");
1544 			goto fallback;
1545 		}
1546 	}
1547 
1548 	ar->bd_api = 2;
1549 	ret = ath10k_core_fetch_board_data_api_n(ar, boardname,
1550 						 fallback_boardname1,
1551 						 fallback_boardname2,
1552 						 ATH10K_BOARD_API2_FILE);
1553 	if (!ret)
1554 		goto success;
1555 
1556 fallback:
1557 	ar->bd_api = 1;
1558 	ret = ath10k_core_fetch_board_data_api_1(ar, bd_ie_type);
1559 	if (ret) {
1560 		ath10k_err(ar, "failed to fetch board-2.bin or board.bin from %s\n",
1561 			   ar->hw_params.fw.dir);
1562 		return ret;
1563 	}
1564 
1565 success:
1566 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "using board api %d\n", ar->bd_api);
1567 	return 0;
1568 }
1569 EXPORT_SYMBOL(ath10k_core_fetch_board_file);
1570 
ath10k_core_get_ext_board_id_from_otp(struct ath10k * ar)1571 static int ath10k_core_get_ext_board_id_from_otp(struct ath10k *ar)
1572 {
1573 	u32 result, address;
1574 	u8 ext_board_id;
1575 	int ret;
1576 
1577 	address = ar->hw_params.patch_load_addr;
1578 
1579 	if (!ar->normal_mode_fw.fw_file.otp_data ||
1580 	    !ar->normal_mode_fw.fw_file.otp_len) {
1581 		ath10k_warn(ar,
1582 			    "failed to retrieve extended board id due to otp binary missing\n");
1583 		return -ENODATA;
1584 	}
1585 
1586 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1587 		   "boot upload otp to 0x%x len %zd for ext board id\n",
1588 		   address, ar->normal_mode_fw.fw_file.otp_len);
1589 
1590 	ret = ath10k_bmi_fast_download(ar, address,
1591 				       ar->normal_mode_fw.fw_file.otp_data,
1592 				       ar->normal_mode_fw.fw_file.otp_len);
1593 	if (ret) {
1594 		ath10k_err(ar, "could not write otp for ext board id check: %d\n",
1595 			   ret);
1596 		return ret;
1597 	}
1598 
1599 	ret = ath10k_bmi_execute(ar, address, BMI_PARAM_GET_EXT_BOARD_ID, &result);
1600 	if (ret) {
1601 		ath10k_err(ar, "could not execute otp for ext board id check: %d\n",
1602 			   ret);
1603 		return ret;
1604 	}
1605 
1606 	if (!result) {
1607 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1608 			   "ext board id does not exist in otp, ignore it\n");
1609 		return -EOPNOTSUPP;
1610 	}
1611 
1612 	ext_board_id = result & ATH10K_BMI_EBOARD_ID_STATUS_MASK;
1613 
1614 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1615 		   "boot get otp ext board id result 0x%08x ext_board_id %d\n",
1616 		   result, ext_board_id);
1617 
1618 	ar->id.bmi_eboard_id = ext_board_id;
1619 
1620 	return 0;
1621 }
1622 
ath10k_download_board_data(struct ath10k * ar,const void * data,size_t data_len)1623 static int ath10k_download_board_data(struct ath10k *ar, const void *data,
1624 				      size_t data_len)
1625 {
1626 	u32 board_data_size = ar->hw_params.fw.board_size;
1627 	u32 eboard_data_size = ar->hw_params.fw.ext_board_size;
1628 	u32 board_address;
1629 	u32 ext_board_address;
1630 	int ret;
1631 
1632 	ret = ath10k_push_board_ext_data(ar, data, data_len);
1633 	if (ret) {
1634 		ath10k_err(ar, "could not push board ext data (%d)\n", ret);
1635 		goto exit;
1636 	}
1637 
1638 	ret = ath10k_bmi_read32(ar, hi_board_data, &board_address);
1639 	if (ret) {
1640 		ath10k_err(ar, "could not read board data addr (%d)\n", ret);
1641 		goto exit;
1642 	}
1643 
1644 	ret = ath10k_bmi_write_memory(ar, board_address, data,
1645 				      min_t(u32, board_data_size,
1646 					    data_len));
1647 	if (ret) {
1648 		ath10k_err(ar, "could not write board data (%d)\n", ret);
1649 		goto exit;
1650 	}
1651 
1652 	ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
1653 	if (ret) {
1654 		ath10k_err(ar, "could not write board data bit (%d)\n", ret);
1655 		goto exit;
1656 	}
1657 
1658 	if (!ar->id.ext_bid_supported)
1659 		goto exit;
1660 
1661 	/* Extended board data download */
1662 	ret = ath10k_core_get_ext_board_id_from_otp(ar);
1663 	if (ret == -EOPNOTSUPP) {
1664 		/* Not fetching ext_board_data if ext board id is 0 */
1665 		ath10k_dbg(ar, ATH10K_DBG_BOOT, "otp returned ext board id 0\n");
1666 		return 0;
1667 	} else if (ret) {
1668 		ath10k_err(ar, "failed to get extended board id: %d\n", ret);
1669 		goto exit;
1670 	}
1671 
1672 	ret = ath10k_core_fetch_board_file(ar, ATH10K_BD_IE_BOARD_EXT);
1673 	if (ret)
1674 		goto exit;
1675 
1676 	if (ar->normal_mode_fw.ext_board_data) {
1677 		ext_board_address = board_address + EXT_BOARD_ADDRESS_OFFSET;
1678 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1679 			   "boot writing ext board data to addr 0x%x",
1680 			   ext_board_address);
1681 		ret = ath10k_bmi_write_memory(ar, ext_board_address,
1682 					      ar->normal_mode_fw.ext_board_data,
1683 					      min_t(u32, eboard_data_size, data_len));
1684 		if (ret)
1685 			ath10k_err(ar, "failed to write ext board data: %d\n", ret);
1686 	}
1687 
1688 exit:
1689 	return ret;
1690 }
1691 
ath10k_download_and_run_otp(struct ath10k * ar)1692 static int ath10k_download_and_run_otp(struct ath10k *ar)
1693 {
1694 	u32 result, address = ar->hw_params.patch_load_addr;
1695 	u32 bmi_otp_exe_param = ar->hw_params.otp_exe_param;
1696 	int ret;
1697 
1698 	ret = ath10k_download_board_data(ar,
1699 					 ar->running_fw->board_data,
1700 					 ar->running_fw->board_len);
1701 	if (ret) {
1702 		ath10k_err(ar, "failed to download board data: %d\n", ret);
1703 		return ret;
1704 	}
1705 
1706 	/* OTP is optional */
1707 
1708 	if (!ar->running_fw->fw_file.otp_data ||
1709 	    !ar->running_fw->fw_file.otp_len) {
1710 		ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %pK otp_len %zd)!\n",
1711 			    ar->running_fw->fw_file.otp_data,
1712 			    ar->running_fw->fw_file.otp_len);
1713 		return 0;
1714 	}
1715 
1716 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n",
1717 		   address, ar->running_fw->fw_file.otp_len);
1718 
1719 	ret = ath10k_bmi_fast_download(ar, address,
1720 				       ar->running_fw->fw_file.otp_data,
1721 				       ar->running_fw->fw_file.otp_len);
1722 	if (ret) {
1723 		ath10k_err(ar, "could not write otp (%d)\n", ret);
1724 		return ret;
1725 	}
1726 
1727 	/* As of now pre-cal is valid for 10_4 variants */
1728 	if (ar->cal_mode == ATH10K_PRE_CAL_MODE_DT ||
1729 	    ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE)
1730 		bmi_otp_exe_param = BMI_PARAM_FLASH_SECTION_ALL;
1731 
1732 	ret = ath10k_bmi_execute(ar, address, bmi_otp_exe_param, &result);
1733 	if (ret) {
1734 		ath10k_err(ar, "could not execute otp (%d)\n", ret);
1735 		return ret;
1736 	}
1737 
1738 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
1739 
1740 	if (!(skip_otp || test_bit(ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
1741 				   ar->running_fw->fw_file.fw_features)) &&
1742 	    result != 0) {
1743 		ath10k_err(ar, "otp calibration failed: %d", result);
1744 		return -EINVAL;
1745 	}
1746 
1747 	return 0;
1748 }
1749 
ath10k_download_cal_file(struct ath10k * ar,const struct firmware * file)1750 static int ath10k_download_cal_file(struct ath10k *ar,
1751 				    const struct firmware *file)
1752 {
1753 	int ret;
1754 
1755 	if (!file)
1756 		return -ENOENT;
1757 
1758 	if (IS_ERR(file))
1759 		return PTR_ERR(file);
1760 
1761 	ret = ath10k_download_board_data(ar, file->data, file->size);
1762 	if (ret) {
1763 		ath10k_err(ar, "failed to download cal_file data: %d\n", ret);
1764 		return ret;
1765 	}
1766 
1767 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cal file downloaded\n");
1768 
1769 	return 0;
1770 }
1771 
ath10k_download_cal_dt(struct ath10k * ar,const char * dt_name)1772 static int ath10k_download_cal_dt(struct ath10k *ar, const char *dt_name)
1773 {
1774 	struct device_node *node;
1775 	int data_len;
1776 	void *data;
1777 	int ret;
1778 
1779 	node = ar->dev->of_node;
1780 	if (!node)
1781 		/* Device Tree is optional, don't print any warnings if
1782 		 * there's no node for ath10k.
1783 		 */
1784 		return -ENOENT;
1785 
1786 	if (!of_get_property(node, dt_name, &data_len)) {
1787 		/* The calibration data node is optional */
1788 		return -ENOENT;
1789 	}
1790 
1791 	if (data_len != ar->hw_params.cal_data_len) {
1792 		ath10k_warn(ar, "invalid calibration data length in DT: %d\n",
1793 			    data_len);
1794 		ret = -EMSGSIZE;
1795 		goto out;
1796 	}
1797 
1798 	data = kmalloc(data_len, GFP_KERNEL);
1799 	if (!data) {
1800 		ret = -ENOMEM;
1801 		goto out;
1802 	}
1803 
1804 	ret = of_property_read_u8_array(node, dt_name, data, data_len);
1805 	if (ret) {
1806 		ath10k_warn(ar, "failed to read calibration data from DT: %d\n",
1807 			    ret);
1808 		goto out_free;
1809 	}
1810 
1811 	ret = ath10k_download_board_data(ar, data, data_len);
1812 	if (ret) {
1813 		ath10k_warn(ar, "failed to download calibration data from Device Tree: %d\n",
1814 			    ret);
1815 		goto out_free;
1816 	}
1817 
1818 	ret = 0;
1819 
1820 out_free:
1821 	kfree(data);
1822 
1823 out:
1824 	return ret;
1825 }
1826 
ath10k_download_cal_eeprom(struct ath10k * ar)1827 static int ath10k_download_cal_eeprom(struct ath10k *ar)
1828 {
1829 	size_t data_len;
1830 	void *data = NULL;
1831 	int ret;
1832 
1833 	ret = ath10k_hif_fetch_cal_eeprom(ar, &data, &data_len);
1834 	if (ret) {
1835 		if (ret != -EOPNOTSUPP)
1836 			ath10k_warn(ar, "failed to read calibration data from EEPROM: %d\n",
1837 				    ret);
1838 		goto out_free;
1839 	}
1840 
1841 	ret = ath10k_download_board_data(ar, data, data_len);
1842 	if (ret) {
1843 		ath10k_warn(ar, "failed to download calibration data from EEPROM: %d\n",
1844 			    ret);
1845 		goto out_free;
1846 	}
1847 
1848 	ret = 0;
1849 
1850 out_free:
1851 	kfree(data);
1852 
1853 	return ret;
1854 }
1855 
ath10k_core_fetch_firmware_api_n(struct ath10k * ar,const char * name,struct ath10k_fw_file * fw_file)1856 int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name,
1857 				     struct ath10k_fw_file *fw_file)
1858 {
1859 	size_t magic_len, len, ie_len;
1860 	int ie_id, i, index, bit, ret;
1861 	struct ath10k_fw_ie *hdr;
1862 	const u8 *data;
1863 	__le32 *timestamp, *version;
1864 
1865 	/* first fetch the firmware file (firmware-*.bin) */
1866 	fw_file->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
1867 						 name);
1868 	if (IS_ERR(fw_file->firmware))
1869 		return PTR_ERR(fw_file->firmware);
1870 
1871 	data = fw_file->firmware->data;
1872 	len = fw_file->firmware->size;
1873 
1874 	/* magic also includes the null byte, check that as well */
1875 	magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;
1876 
1877 	if (len < magic_len) {
1878 		ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n",
1879 			   ar->hw_params.fw.dir, name, len);
1880 		ret = -EINVAL;
1881 		goto err;
1882 	}
1883 
1884 	if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
1885 		ath10k_err(ar, "invalid firmware magic\n");
1886 		ret = -EINVAL;
1887 		goto err;
1888 	}
1889 
1890 	/* jump over the padding */
1891 	magic_len = ALIGN(magic_len, 4);
1892 
1893 	len -= magic_len;
1894 	data += magic_len;
1895 
1896 	/* loop elements */
1897 	while (len > sizeof(struct ath10k_fw_ie)) {
1898 		hdr = (struct ath10k_fw_ie *)data;
1899 
1900 		ie_id = le32_to_cpu(hdr->id);
1901 		ie_len = le32_to_cpu(hdr->len);
1902 
1903 		len -= sizeof(*hdr);
1904 		data += sizeof(*hdr);
1905 
1906 		if (len < ie_len) {
1907 			ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
1908 				   ie_id, len, ie_len);
1909 			ret = -EINVAL;
1910 			goto err;
1911 		}
1912 
1913 		switch (ie_id) {
1914 		case ATH10K_FW_IE_FW_VERSION:
1915 			if (ie_len > sizeof(fw_file->fw_version) - 1)
1916 				break;
1917 
1918 			memcpy(fw_file->fw_version, data, ie_len);
1919 			fw_file->fw_version[ie_len] = '\0';
1920 
1921 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1922 				   "found fw version %s\n",
1923 				    fw_file->fw_version);
1924 			break;
1925 		case ATH10K_FW_IE_TIMESTAMP:
1926 			if (ie_len != sizeof(u32))
1927 				break;
1928 
1929 			timestamp = (__le32 *)data;
1930 
1931 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n",
1932 				   le32_to_cpup(timestamp));
1933 			break;
1934 		case ATH10K_FW_IE_FEATURES:
1935 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1936 				   "found firmware features ie (%zd B)\n",
1937 				   ie_len);
1938 
1939 			for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
1940 				index = i / 8;
1941 				bit = i % 8;
1942 
1943 				if (index == ie_len)
1944 					break;
1945 
1946 				if (data[index] & (1 << bit)) {
1947 					ath10k_dbg(ar, ATH10K_DBG_BOOT,
1948 						   "Enabling feature bit: %i\n",
1949 						   i);
1950 					__set_bit(i, fw_file->fw_features);
1951 				}
1952 			}
1953 
1954 			ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "",
1955 					fw_file->fw_features,
1956 					sizeof(fw_file->fw_features));
1957 			break;
1958 		case ATH10K_FW_IE_FW_IMAGE:
1959 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1960 				   "found fw image ie (%zd B)\n",
1961 				   ie_len);
1962 
1963 			fw_file->firmware_data = data;
1964 			fw_file->firmware_len = ie_len;
1965 
1966 			break;
1967 		case ATH10K_FW_IE_OTP_IMAGE:
1968 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1969 				   "found otp image ie (%zd B)\n",
1970 				   ie_len);
1971 
1972 			fw_file->otp_data = data;
1973 			fw_file->otp_len = ie_len;
1974 
1975 			break;
1976 		case ATH10K_FW_IE_WMI_OP_VERSION:
1977 			if (ie_len != sizeof(u32))
1978 				break;
1979 
1980 			version = (__le32 *)data;
1981 
1982 			fw_file->wmi_op_version = le32_to_cpup(version);
1983 
1984 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n",
1985 				   fw_file->wmi_op_version);
1986 			break;
1987 		case ATH10K_FW_IE_HTT_OP_VERSION:
1988 			if (ie_len != sizeof(u32))
1989 				break;
1990 
1991 			version = (__le32 *)data;
1992 
1993 			fw_file->htt_op_version = le32_to_cpup(version);
1994 
1995 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie htt op version %d\n",
1996 				   fw_file->htt_op_version);
1997 			break;
1998 		case ATH10K_FW_IE_FW_CODE_SWAP_IMAGE:
1999 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
2000 				   "found fw code swap image ie (%zd B)\n",
2001 				   ie_len);
2002 			fw_file->codeswap_data = data;
2003 			fw_file->codeswap_len = ie_len;
2004 			break;
2005 		default:
2006 			ath10k_warn(ar, "Unknown FW IE: %u\n",
2007 				    le32_to_cpu(hdr->id));
2008 			break;
2009 		}
2010 
2011 		/* jump over the padding */
2012 		ie_len = ALIGN(ie_len, 4);
2013 
2014 		len -= ie_len;
2015 		data += ie_len;
2016 	}
2017 
2018 	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI, fw_file->fw_features) &&
2019 	    (!fw_file->firmware_data || !fw_file->firmware_len)) {
2020 		ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
2021 			    ar->hw_params.fw.dir, name);
2022 		ret = -ENOMEDIUM;
2023 		goto err;
2024 	}
2025 
2026 	return 0;
2027 
2028 err:
2029 	ath10k_core_free_firmware_files(ar);
2030 	return ret;
2031 }
2032 
ath10k_core_get_fw_name(struct ath10k * ar,char * fw_name,size_t fw_name_len,int fw_api)2033 static void ath10k_core_get_fw_name(struct ath10k *ar, char *fw_name,
2034 				    size_t fw_name_len, int fw_api)
2035 {
2036 	switch (ar->hif.bus) {
2037 	case ATH10K_BUS_SDIO:
2038 	case ATH10K_BUS_USB:
2039 		scnprintf(fw_name, fw_name_len, "%s-%s-%d.bin",
2040 			  ATH10K_FW_FILE_BASE, ath10k_bus_str(ar->hif.bus),
2041 			  fw_api);
2042 		break;
2043 	case ATH10K_BUS_PCI:
2044 	case ATH10K_BUS_AHB:
2045 	case ATH10K_BUS_SNOC:
2046 		scnprintf(fw_name, fw_name_len, "%s-%d.bin",
2047 			  ATH10K_FW_FILE_BASE, fw_api);
2048 		break;
2049 	}
2050 }
2051 
ath10k_core_fetch_firmware_files(struct ath10k * ar)2052 static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
2053 {
2054 	int ret, i;
2055 	char fw_name[100];
2056 
2057 	/* calibration file is optional, don't check for any errors */
2058 	ath10k_fetch_cal_file(ar);
2059 
2060 	for (i = ATH10K_FW_API_MAX; i >= ATH10K_FW_API_MIN; i--) {
2061 		ar->fw_api = i;
2062 		ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n",
2063 			   ar->fw_api);
2064 
2065 		ath10k_core_get_fw_name(ar, fw_name, sizeof(fw_name), ar->fw_api);
2066 		ret = ath10k_core_fetch_firmware_api_n(ar, fw_name,
2067 						       &ar->normal_mode_fw.fw_file);
2068 		if (!ret)
2069 			goto success;
2070 	}
2071 
2072 	/* we end up here if we couldn't fetch any firmware */
2073 
2074 	ath10k_err(ar, "Failed to find firmware-N.bin (N between %d and %d) from %s: %d",
2075 		   ATH10K_FW_API_MIN, ATH10K_FW_API_MAX, ar->hw_params.fw.dir,
2076 		   ret);
2077 
2078 	return ret;
2079 
2080 success:
2081 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api);
2082 
2083 	return 0;
2084 }
2085 
ath10k_core_pre_cal_download(struct ath10k * ar)2086 static int ath10k_core_pre_cal_download(struct ath10k *ar)
2087 {
2088 	int ret;
2089 
2090 	ret = ath10k_download_cal_file(ar, ar->pre_cal_file);
2091 	if (ret == 0) {
2092 		ar->cal_mode = ATH10K_PRE_CAL_MODE_FILE;
2093 		goto success;
2094 	}
2095 
2096 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
2097 		   "boot did not find a pre calibration file, try DT next: %d\n",
2098 		   ret);
2099 
2100 	ret = ath10k_download_cal_dt(ar, "qcom,ath10k-pre-calibration-data");
2101 	if (ret) {
2102 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
2103 			   "unable to load pre cal data from DT: %d\n", ret);
2104 		return ret;
2105 	}
2106 	ar->cal_mode = ATH10K_PRE_CAL_MODE_DT;
2107 
2108 success:
2109 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
2110 		   ath10k_cal_mode_str(ar->cal_mode));
2111 
2112 	return 0;
2113 }
2114 
ath10k_core_pre_cal_config(struct ath10k * ar)2115 static int ath10k_core_pre_cal_config(struct ath10k *ar)
2116 {
2117 	int ret;
2118 
2119 	ret = ath10k_core_pre_cal_download(ar);
2120 	if (ret) {
2121 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
2122 			   "failed to load pre cal data: %d\n", ret);
2123 		return ret;
2124 	}
2125 
2126 	ret = ath10k_core_get_board_id_from_otp(ar);
2127 	if (ret) {
2128 		ath10k_err(ar, "failed to get board id: %d\n", ret);
2129 		return ret;
2130 	}
2131 
2132 	ret = ath10k_download_and_run_otp(ar);
2133 	if (ret) {
2134 		ath10k_err(ar, "failed to run otp: %d\n", ret);
2135 		return ret;
2136 	}
2137 
2138 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
2139 		   "pre cal configuration done successfully\n");
2140 
2141 	return 0;
2142 }
2143 
ath10k_download_cal_data(struct ath10k * ar)2144 static int ath10k_download_cal_data(struct ath10k *ar)
2145 {
2146 	int ret;
2147 
2148 	ret = ath10k_core_pre_cal_config(ar);
2149 	if (ret == 0)
2150 		return 0;
2151 
2152 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
2153 		   "pre cal download procedure failed, try cal file: %d\n",
2154 		   ret);
2155 
2156 	ret = ath10k_download_cal_file(ar, ar->cal_file);
2157 	if (ret == 0) {
2158 		ar->cal_mode = ATH10K_CAL_MODE_FILE;
2159 		goto done;
2160 	}
2161 
2162 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
2163 		   "boot did not find a calibration file, try DT next: %d\n",
2164 		   ret);
2165 
2166 	ret = ath10k_download_cal_dt(ar, "qcom,ath10k-calibration-data");
2167 	if (ret == 0) {
2168 		ar->cal_mode = ATH10K_CAL_MODE_DT;
2169 		goto done;
2170 	}
2171 
2172 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
2173 		   "boot did not find DT entry, try target EEPROM next: %d\n",
2174 		   ret);
2175 
2176 	ret = ath10k_download_cal_eeprom(ar);
2177 	if (ret == 0) {
2178 		ar->cal_mode = ATH10K_CAL_MODE_EEPROM;
2179 		goto done;
2180 	}
2181 
2182 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
2183 		   "boot did not find target EEPROM entry, try OTP next: %d\n",
2184 		   ret);
2185 
2186 	ret = ath10k_download_and_run_otp(ar);
2187 	if (ret) {
2188 		ath10k_err(ar, "failed to run otp: %d\n", ret);
2189 		return ret;
2190 	}
2191 
2192 	ar->cal_mode = ATH10K_CAL_MODE_OTP;
2193 
2194 done:
2195 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
2196 		   ath10k_cal_mode_str(ar->cal_mode));
2197 	return 0;
2198 }
2199 
ath10k_core_fetch_btcoex_dt(struct ath10k * ar)2200 static void ath10k_core_fetch_btcoex_dt(struct ath10k *ar)
2201 {
2202 	struct device_node *node;
2203 	u8 coex_support = 0;
2204 	int ret;
2205 
2206 	node = ar->dev->of_node;
2207 	if (!node)
2208 		goto out;
2209 
2210 	ret = of_property_read_u8(node, "qcom,coexist-support", &coex_support);
2211 	if (ret) {
2212 		ar->coex_support = true;
2213 		goto out;
2214 	}
2215 
2216 	if (coex_support) {
2217 		ar->coex_support = true;
2218 	} else {
2219 		ar->coex_support = false;
2220 		ar->coex_gpio_pin = -1;
2221 		goto out;
2222 	}
2223 
2224 	ret = of_property_read_u32(node, "qcom,coexist-gpio-pin",
2225 				   &ar->coex_gpio_pin);
2226 	if (ret)
2227 		ar->coex_gpio_pin = -1;
2228 
2229 out:
2230 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot coex_support %d coex_gpio_pin %d\n",
2231 		   ar->coex_support, ar->coex_gpio_pin);
2232 }
2233 
ath10k_init_uart(struct ath10k * ar)2234 static int ath10k_init_uart(struct ath10k *ar)
2235 {
2236 	int ret;
2237 
2238 	/*
2239 	 * Explicitly setting UART prints to zero as target turns it on
2240 	 * based on scratch registers.
2241 	 */
2242 	ret = ath10k_bmi_write32(ar, hi_serial_enable, 0);
2243 	if (ret) {
2244 		ath10k_warn(ar, "could not disable UART prints (%d)\n", ret);
2245 		return ret;
2246 	}
2247 
2248 	if (!uart_print) {
2249 		if (ar->hw_params.uart_pin_workaround) {
2250 			ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin,
2251 						 ar->hw_params.uart_pin);
2252 			if (ret) {
2253 				ath10k_warn(ar, "failed to set UART TX pin: %d",
2254 					    ret);
2255 				return ret;
2256 			}
2257 		}
2258 
2259 		return 0;
2260 	}
2261 
2262 	ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin);
2263 	if (ret) {
2264 		ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
2265 		return ret;
2266 	}
2267 
2268 	ret = ath10k_bmi_write32(ar, hi_serial_enable, 1);
2269 	if (ret) {
2270 		ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
2271 		return ret;
2272 	}
2273 
2274 	/* Set the UART baud rate to 19200. */
2275 	ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200);
2276 	if (ret) {
2277 		ath10k_warn(ar, "could not set the baud rate (%d)\n", ret);
2278 		return ret;
2279 	}
2280 
2281 	ath10k_info(ar, "UART prints enabled\n");
2282 	return 0;
2283 }
2284 
ath10k_init_hw_params(struct ath10k * ar)2285 static int ath10k_init_hw_params(struct ath10k *ar)
2286 {
2287 	const struct ath10k_hw_params *hw_params;
2288 	int i;
2289 
2290 	for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) {
2291 		hw_params = &ath10k_hw_params_list[i];
2292 
2293 		if (hw_params->bus == ar->hif.bus &&
2294 		    hw_params->id == ar->target_version &&
2295 		    hw_params->dev_id == ar->dev_id)
2296 			break;
2297 	}
2298 
2299 	if (i == ARRAY_SIZE(ath10k_hw_params_list)) {
2300 		ath10k_err(ar, "Unsupported hardware version: 0x%x\n",
2301 			   ar->target_version);
2302 		return -EINVAL;
2303 	}
2304 
2305 	ar->hw_params = *hw_params;
2306 
2307 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n",
2308 		   ar->hw_params.name, ar->target_version);
2309 
2310 	return 0;
2311 }
2312 
ath10k_core_start_recovery(struct ath10k * ar)2313 void ath10k_core_start_recovery(struct ath10k *ar)
2314 {
2315 	if (test_and_set_bit(ATH10K_FLAG_RESTARTING, &ar->dev_flags)) {
2316 		ath10k_warn(ar, "already restarting\n");
2317 		return;
2318 	}
2319 
2320 	queue_work(ar->workqueue, &ar->restart_work);
2321 }
2322 EXPORT_SYMBOL(ath10k_core_start_recovery);
2323 
ath10k_core_napi_enable(struct ath10k * ar)2324 void ath10k_core_napi_enable(struct ath10k *ar)
2325 {
2326 	lockdep_assert_held(&ar->conf_mutex);
2327 
2328 	if (test_bit(ATH10K_FLAG_NAPI_ENABLED, &ar->dev_flags))
2329 		return;
2330 
2331 	napi_enable(&ar->napi);
2332 	set_bit(ATH10K_FLAG_NAPI_ENABLED, &ar->dev_flags);
2333 }
2334 EXPORT_SYMBOL(ath10k_core_napi_enable);
2335 
ath10k_core_napi_sync_disable(struct ath10k * ar)2336 void ath10k_core_napi_sync_disable(struct ath10k *ar)
2337 {
2338 	lockdep_assert_held(&ar->conf_mutex);
2339 
2340 	if (!test_bit(ATH10K_FLAG_NAPI_ENABLED, &ar->dev_flags))
2341 		return;
2342 
2343 	napi_synchronize(&ar->napi);
2344 	napi_disable(&ar->napi);
2345 	clear_bit(ATH10K_FLAG_NAPI_ENABLED, &ar->dev_flags);
2346 }
2347 EXPORT_SYMBOL(ath10k_core_napi_sync_disable);
2348 
ath10k_core_restart(struct work_struct * work)2349 static void ath10k_core_restart(struct work_struct *work)
2350 {
2351 	struct ath10k *ar = container_of(work, struct ath10k, restart_work);
2352 	int ret;
2353 
2354 	set_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
2355 
2356 	/* Place a barrier to make sure the compiler doesn't reorder
2357 	 * CRASH_FLUSH and calling other functions.
2358 	 */
2359 	barrier();
2360 
2361 	ieee80211_stop_queues(ar->hw);
2362 	ath10k_drain_tx(ar);
2363 	complete(&ar->scan.started);
2364 	complete(&ar->scan.completed);
2365 	complete(&ar->scan.on_channel);
2366 	complete(&ar->offchan_tx_completed);
2367 	complete(&ar->install_key_done);
2368 	complete(&ar->vdev_setup_done);
2369 	complete(&ar->vdev_delete_done);
2370 	complete(&ar->thermal.wmi_sync);
2371 	complete(&ar->bss_survey_done);
2372 	wake_up(&ar->htt.empty_tx_wq);
2373 	wake_up(&ar->wmi.tx_credits_wq);
2374 	wake_up(&ar->peer_mapping_wq);
2375 
2376 	/* TODO: We can have one instance of cancelling coverage_class_work by
2377 	 * moving it to ath10k_halt(), so that both stop() and restart() would
2378 	 * call that but it takes conf_mutex() and if we call cancel_work_sync()
2379 	 * with conf_mutex it will deadlock.
2380 	 */
2381 	cancel_work_sync(&ar->set_coverage_class_work);
2382 
2383 	mutex_lock(&ar->conf_mutex);
2384 
2385 	switch (ar->state) {
2386 	case ATH10K_STATE_ON:
2387 		ar->state = ATH10K_STATE_RESTARTING;
2388 		ath10k_halt(ar);
2389 		ath10k_scan_finish(ar);
2390 		ieee80211_restart_hw(ar->hw);
2391 		break;
2392 	case ATH10K_STATE_OFF:
2393 		/* this can happen if driver is being unloaded
2394 		 * or if the crash happens during FW probing
2395 		 */
2396 		ath10k_warn(ar, "cannot restart a device that hasn't been started\n");
2397 		break;
2398 	case ATH10K_STATE_RESTARTING:
2399 		/* hw restart might be requested from multiple places */
2400 		break;
2401 	case ATH10K_STATE_RESTARTED:
2402 		ar->state = ATH10K_STATE_WEDGED;
2403 		fallthrough;
2404 	case ATH10K_STATE_WEDGED:
2405 		ath10k_warn(ar, "device is wedged, will not restart\n");
2406 		break;
2407 	case ATH10K_STATE_UTF:
2408 		ath10k_warn(ar, "firmware restart in UTF mode not supported\n");
2409 		break;
2410 	}
2411 
2412 	mutex_unlock(&ar->conf_mutex);
2413 
2414 	ret = ath10k_coredump_submit(ar);
2415 	if (ret)
2416 		ath10k_warn(ar, "failed to send firmware crash dump via devcoredump: %d",
2417 			    ret);
2418 
2419 	complete(&ar->driver_recovery);
2420 }
2421 
ath10k_core_set_coverage_class_work(struct work_struct * work)2422 static void ath10k_core_set_coverage_class_work(struct work_struct *work)
2423 {
2424 	struct ath10k *ar = container_of(work, struct ath10k,
2425 					 set_coverage_class_work);
2426 
2427 	if (ar->hw_params.hw_ops->set_coverage_class)
2428 		ar->hw_params.hw_ops->set_coverage_class(ar, -1);
2429 }
2430 
ath10k_core_init_firmware_features(struct ath10k * ar)2431 static int ath10k_core_init_firmware_features(struct ath10k *ar)
2432 {
2433 	struct ath10k_fw_file *fw_file = &ar->normal_mode_fw.fw_file;
2434 	int max_num_peers;
2435 
2436 	if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, fw_file->fw_features) &&
2437 	    !test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
2438 		ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well");
2439 		return -EINVAL;
2440 	}
2441 
2442 	if (fw_file->wmi_op_version >= ATH10K_FW_WMI_OP_VERSION_MAX) {
2443 		ath10k_err(ar, "unsupported WMI OP version (max %d): %d\n",
2444 			   ATH10K_FW_WMI_OP_VERSION_MAX, fw_file->wmi_op_version);
2445 		return -EINVAL;
2446 	}
2447 
2448 	ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_NATIVE_WIFI;
2449 	switch (ath10k_cryptmode_param) {
2450 	case ATH10K_CRYPT_MODE_HW:
2451 		clear_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2452 		clear_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
2453 		break;
2454 	case ATH10K_CRYPT_MODE_SW:
2455 		if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
2456 			      fw_file->fw_features)) {
2457 			ath10k_err(ar, "cryptmode > 0 requires raw mode support from firmware");
2458 			return -EINVAL;
2459 		}
2460 
2461 		set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2462 		set_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
2463 		break;
2464 	default:
2465 		ath10k_info(ar, "invalid cryptmode: %d\n",
2466 			    ath10k_cryptmode_param);
2467 		return -EINVAL;
2468 	}
2469 
2470 	ar->htt.max_num_amsdu = ATH10K_HTT_MAX_NUM_AMSDU_DEFAULT;
2471 	ar->htt.max_num_ampdu = ATH10K_HTT_MAX_NUM_AMPDU_DEFAULT;
2472 
2473 	if (rawmode) {
2474 		if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
2475 			      fw_file->fw_features)) {
2476 			ath10k_err(ar, "rawmode = 1 requires support from firmware");
2477 			return -EINVAL;
2478 		}
2479 		set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2480 	}
2481 
2482 	if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
2483 		ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_RAW;
2484 
2485 		/* Workaround:
2486 		 *
2487 		 * Firmware A-MSDU aggregation breaks with RAW Tx encap mode
2488 		 * and causes enormous performance issues (malformed frames,
2489 		 * etc).
2490 		 *
2491 		 * Disabling A-MSDU makes RAW mode stable with heavy traffic
2492 		 * albeit a bit slower compared to regular operation.
2493 		 */
2494 		ar->htt.max_num_amsdu = 1;
2495 	}
2496 
2497 	/* Backwards compatibility for firmwares without
2498 	 * ATH10K_FW_IE_WMI_OP_VERSION.
2499 	 */
2500 	if (fw_file->wmi_op_version == ATH10K_FW_WMI_OP_VERSION_UNSET) {
2501 		if (test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
2502 			if (test_bit(ATH10K_FW_FEATURE_WMI_10_2,
2503 				     fw_file->fw_features))
2504 				fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_2;
2505 			else
2506 				fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_1;
2507 		} else {
2508 			fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_MAIN;
2509 		}
2510 	}
2511 
2512 	switch (fw_file->wmi_op_version) {
2513 	case ATH10K_FW_WMI_OP_VERSION_MAIN:
2514 		max_num_peers = TARGET_NUM_PEERS;
2515 		ar->max_num_stations = TARGET_NUM_STATIONS;
2516 		ar->max_num_vdevs = TARGET_NUM_VDEVS;
2517 		ar->htt.max_num_pending_tx = TARGET_NUM_MSDU_DESC;
2518 		ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
2519 			WMI_STAT_PEER;
2520 		ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2521 		break;
2522 	case ATH10K_FW_WMI_OP_VERSION_10_1:
2523 	case ATH10K_FW_WMI_OP_VERSION_10_2:
2524 	case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2525 		if (ath10k_peer_stats_enabled(ar)) {
2526 			max_num_peers = TARGET_10X_TX_STATS_NUM_PEERS;
2527 			ar->max_num_stations = TARGET_10X_TX_STATS_NUM_STATIONS;
2528 		} else {
2529 			max_num_peers = TARGET_10X_NUM_PEERS;
2530 			ar->max_num_stations = TARGET_10X_NUM_STATIONS;
2531 		}
2532 		ar->max_num_vdevs = TARGET_10X_NUM_VDEVS;
2533 		ar->htt.max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC;
2534 		ar->fw_stats_req_mask = WMI_STAT_PEER;
2535 		ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2536 		break;
2537 	case ATH10K_FW_WMI_OP_VERSION_TLV:
2538 		max_num_peers = TARGET_TLV_NUM_PEERS;
2539 		ar->max_num_stations = TARGET_TLV_NUM_STATIONS;
2540 		ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS;
2541 		ar->max_num_tdls_vdevs = TARGET_TLV_NUM_TDLS_VDEVS;
2542 		if (ar->hif.bus == ATH10K_BUS_SDIO)
2543 			ar->htt.max_num_pending_tx =
2544 				TARGET_TLV_NUM_MSDU_DESC_HL;
2545 		else
2546 			ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC;
2547 		ar->wow.max_num_patterns = TARGET_TLV_NUM_WOW_PATTERNS;
2548 		ar->fw_stats_req_mask = WMI_TLV_STAT_PDEV | WMI_TLV_STAT_VDEV |
2549 			WMI_TLV_STAT_PEER | WMI_TLV_STAT_PEER_EXTD;
2550 		ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2551 		ar->wmi.mgmt_max_num_pending_tx = TARGET_TLV_MGMT_NUM_MSDU_DESC;
2552 		break;
2553 	case ATH10K_FW_WMI_OP_VERSION_10_4:
2554 		max_num_peers = TARGET_10_4_NUM_PEERS;
2555 		ar->max_num_stations = TARGET_10_4_NUM_STATIONS;
2556 		ar->num_active_peers = TARGET_10_4_ACTIVE_PEERS;
2557 		ar->max_num_vdevs = TARGET_10_4_NUM_VDEVS;
2558 		ar->num_tids = TARGET_10_4_TGT_NUM_TIDS;
2559 		ar->fw_stats_req_mask = WMI_10_4_STAT_PEER |
2560 					WMI_10_4_STAT_PEER_EXTD |
2561 					WMI_10_4_STAT_VDEV_EXTD;
2562 		ar->max_spatial_stream = ar->hw_params.max_spatial_stream;
2563 		ar->max_num_tdls_vdevs = TARGET_10_4_NUM_TDLS_VDEVS;
2564 
2565 		if (test_bit(ATH10K_FW_FEATURE_PEER_FLOW_CONTROL,
2566 			     fw_file->fw_features))
2567 			ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC_PFC;
2568 		else
2569 			ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC;
2570 		break;
2571 	case ATH10K_FW_WMI_OP_VERSION_UNSET:
2572 	case ATH10K_FW_WMI_OP_VERSION_MAX:
2573 	default:
2574 		WARN_ON(1);
2575 		return -EINVAL;
2576 	}
2577 
2578 	if (ar->hw_params.num_peers)
2579 		ar->max_num_peers = ar->hw_params.num_peers;
2580 	else
2581 		ar->max_num_peers = max_num_peers;
2582 
2583 	/* Backwards compatibility for firmwares without
2584 	 * ATH10K_FW_IE_HTT_OP_VERSION.
2585 	 */
2586 	if (fw_file->htt_op_version == ATH10K_FW_HTT_OP_VERSION_UNSET) {
2587 		switch (fw_file->wmi_op_version) {
2588 		case ATH10K_FW_WMI_OP_VERSION_MAIN:
2589 			fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_MAIN;
2590 			break;
2591 		case ATH10K_FW_WMI_OP_VERSION_10_1:
2592 		case ATH10K_FW_WMI_OP_VERSION_10_2:
2593 		case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2594 			fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_10_1;
2595 			break;
2596 		case ATH10K_FW_WMI_OP_VERSION_TLV:
2597 			fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_TLV;
2598 			break;
2599 		case ATH10K_FW_WMI_OP_VERSION_10_4:
2600 		case ATH10K_FW_WMI_OP_VERSION_UNSET:
2601 		case ATH10K_FW_WMI_OP_VERSION_MAX:
2602 			ath10k_err(ar, "htt op version not found from fw meta data");
2603 			return -EINVAL;
2604 		}
2605 	}
2606 
2607 	return 0;
2608 }
2609 
ath10k_core_reset_rx_filter(struct ath10k * ar)2610 static int ath10k_core_reset_rx_filter(struct ath10k *ar)
2611 {
2612 	int ret;
2613 	int vdev_id;
2614 	int vdev_type;
2615 	int vdev_subtype;
2616 	const u8 *vdev_addr;
2617 
2618 	vdev_id = 0;
2619 	vdev_type = WMI_VDEV_TYPE_STA;
2620 	vdev_subtype = ath10k_wmi_get_vdev_subtype(ar, WMI_VDEV_SUBTYPE_NONE);
2621 	vdev_addr = ar->mac_addr;
2622 
2623 	ret = ath10k_wmi_vdev_create(ar, vdev_id, vdev_type, vdev_subtype,
2624 				     vdev_addr);
2625 	if (ret) {
2626 		ath10k_err(ar, "failed to create dummy vdev: %d\n", ret);
2627 		return ret;
2628 	}
2629 
2630 	ret = ath10k_wmi_vdev_delete(ar, vdev_id);
2631 	if (ret) {
2632 		ath10k_err(ar, "failed to delete dummy vdev: %d\n", ret);
2633 		return ret;
2634 	}
2635 
2636 	/* WMI and HTT may use separate HIF pipes and are not guaranteed to be
2637 	 * serialized properly implicitly.
2638 	 *
2639 	 * Moreover (most) WMI commands have no explicit acknowledges. It is
2640 	 * possible to infer it implicitly by poking firmware with echo
2641 	 * command - getting a reply means all preceding comments have been
2642 	 * (mostly) processed.
2643 	 *
2644 	 * In case of vdev create/delete this is sufficient.
2645 	 *
2646 	 * Without this it's possible to end up with a race when HTT Rx ring is
2647 	 * started before vdev create/delete hack is complete allowing a short
2648 	 * window of opportunity to receive (and Tx ACK) a bunch of frames.
2649 	 */
2650 	ret = ath10k_wmi_barrier(ar);
2651 	if (ret) {
2652 		ath10k_err(ar, "failed to ping firmware: %d\n", ret);
2653 		return ret;
2654 	}
2655 
2656 	return 0;
2657 }
2658 
ath10k_core_compat_services(struct ath10k * ar)2659 static int ath10k_core_compat_services(struct ath10k *ar)
2660 {
2661 	struct ath10k_fw_file *fw_file = &ar->normal_mode_fw.fw_file;
2662 
2663 	/* all 10.x firmware versions support thermal throttling but don't
2664 	 * advertise the support via service flags so we have to hardcode
2665 	 * it here
2666 	 */
2667 	switch (fw_file->wmi_op_version) {
2668 	case ATH10K_FW_WMI_OP_VERSION_10_1:
2669 	case ATH10K_FW_WMI_OP_VERSION_10_2:
2670 	case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2671 	case ATH10K_FW_WMI_OP_VERSION_10_4:
2672 		set_bit(WMI_SERVICE_THERM_THROT, ar->wmi.svc_map);
2673 		break;
2674 	default:
2675 		break;
2676 	}
2677 
2678 	return 0;
2679 }
2680 
2681 #define TGT_IRAM_READ_PER_ITR (8 * 1024)
2682 
ath10k_core_copy_target_iram(struct ath10k * ar)2683 static int ath10k_core_copy_target_iram(struct ath10k *ar)
2684 {
2685 	const struct ath10k_hw_mem_layout *hw_mem;
2686 	const struct ath10k_mem_region *tmp, *mem_region = NULL;
2687 	dma_addr_t paddr;
2688 	void *vaddr = NULL;
2689 	u8 num_read_itr;
2690 	int i, ret;
2691 	u32 len, remaining_len;
2692 
2693 	hw_mem = ath10k_coredump_get_mem_layout(ar);
2694 	if (!hw_mem)
2695 		return -ENOMEM;
2696 
2697 	for (i = 0; i < hw_mem->region_table.size; i++) {
2698 		tmp = &hw_mem->region_table.regions[i];
2699 		if (tmp->type == ATH10K_MEM_REGION_TYPE_REG) {
2700 			mem_region = tmp;
2701 			break;
2702 		}
2703 	}
2704 
2705 	if (!mem_region)
2706 		return -ENOMEM;
2707 
2708 	for (i = 0; i < ar->wmi.num_mem_chunks; i++) {
2709 		if (ar->wmi.mem_chunks[i].req_id ==
2710 		    WMI_IRAM_RECOVERY_HOST_MEM_REQ_ID) {
2711 			vaddr = ar->wmi.mem_chunks[i].vaddr;
2712 			len = ar->wmi.mem_chunks[i].len;
2713 			break;
2714 		}
2715 	}
2716 
2717 	if (!vaddr || !len) {
2718 		ath10k_warn(ar, "No allocated memory for IRAM back up");
2719 		return -ENOMEM;
2720 	}
2721 
2722 	len = (len < mem_region->len) ? len : mem_region->len;
2723 	paddr = mem_region->start;
2724 	num_read_itr = len / TGT_IRAM_READ_PER_ITR;
2725 	remaining_len = len % TGT_IRAM_READ_PER_ITR;
2726 	for (i = 0; i < num_read_itr; i++) {
2727 		ret = ath10k_hif_diag_read(ar, paddr, vaddr,
2728 					   TGT_IRAM_READ_PER_ITR);
2729 		if (ret) {
2730 			ath10k_warn(ar, "failed to copy firmware IRAM contents: %d",
2731 				    ret);
2732 			return ret;
2733 		}
2734 
2735 		paddr += TGT_IRAM_READ_PER_ITR;
2736 		vaddr += TGT_IRAM_READ_PER_ITR;
2737 	}
2738 
2739 	if (remaining_len) {
2740 		ret = ath10k_hif_diag_read(ar, paddr, vaddr, remaining_len);
2741 		if (ret) {
2742 			ath10k_warn(ar, "failed to copy firmware IRAM contents: %d",
2743 				    ret);
2744 			return ret;
2745 		}
2746 	}
2747 
2748 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "target IRAM back up completed\n");
2749 
2750 	return 0;
2751 }
2752 
ath10k_core_start(struct ath10k * ar,enum ath10k_firmware_mode mode,const struct ath10k_fw_components * fw)2753 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
2754 		      const struct ath10k_fw_components *fw)
2755 {
2756 	int status;
2757 	u32 val;
2758 
2759 	lockdep_assert_held(&ar->conf_mutex);
2760 
2761 	clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
2762 
2763 	ar->running_fw = fw;
2764 
2765 	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
2766 		      ar->running_fw->fw_file.fw_features)) {
2767 		ath10k_bmi_start(ar);
2768 
2769 		/* Enable hardware clock to speed up firmware download */
2770 		if (ar->hw_params.hw_ops->enable_pll_clk) {
2771 			status = ar->hw_params.hw_ops->enable_pll_clk(ar);
2772 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot enable pll ret %d\n",
2773 				   status);
2774 		}
2775 
2776 		if (ath10k_init_configure_target(ar)) {
2777 			status = -EINVAL;
2778 			goto err;
2779 		}
2780 
2781 		status = ath10k_download_cal_data(ar);
2782 		if (status)
2783 			goto err;
2784 
2785 		/* Some of qca988x solutions are having global reset issue
2786 		 * during target initialization. Bypassing PLL setting before
2787 		 * downloading firmware and letting the SoC run on REF_CLK is
2788 		 * fixing the problem. Corresponding firmware change is also
2789 		 * needed to set the clock source once the target is
2790 		 * initialized.
2791 		 */
2792 		if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT,
2793 			     ar->running_fw->fw_file.fw_features)) {
2794 			status = ath10k_bmi_write32(ar, hi_skip_clock_init, 1);
2795 			if (status) {
2796 				ath10k_err(ar, "could not write to skip_clock_init: %d\n",
2797 					   status);
2798 				goto err;
2799 			}
2800 		}
2801 
2802 		status = ath10k_download_fw(ar);
2803 		if (status)
2804 			goto err;
2805 
2806 		status = ath10k_init_uart(ar);
2807 		if (status)
2808 			goto err;
2809 
2810 		if (ar->hif.bus == ATH10K_BUS_SDIO) {
2811 			status = ath10k_init_sdio(ar, mode);
2812 			if (status) {
2813 				ath10k_err(ar, "failed to init SDIO: %d\n", status);
2814 				goto err;
2815 			}
2816 		}
2817 	}
2818 
2819 	ar->htc.htc_ops.target_send_suspend_complete =
2820 		ath10k_send_suspend_complete;
2821 
2822 	status = ath10k_htc_init(ar);
2823 	if (status) {
2824 		ath10k_err(ar, "could not init HTC (%d)\n", status);
2825 		goto err;
2826 	}
2827 
2828 	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
2829 		      ar->running_fw->fw_file.fw_features)) {
2830 		status = ath10k_bmi_done(ar);
2831 		if (status)
2832 			goto err;
2833 	}
2834 
2835 	status = ath10k_wmi_attach(ar);
2836 	if (status) {
2837 		ath10k_err(ar, "WMI attach failed: %d\n", status);
2838 		goto err;
2839 	}
2840 
2841 	status = ath10k_htt_init(ar);
2842 	if (status) {
2843 		ath10k_err(ar, "failed to init htt: %d\n", status);
2844 		goto err_wmi_detach;
2845 	}
2846 
2847 	status = ath10k_htt_tx_start(&ar->htt);
2848 	if (status) {
2849 		ath10k_err(ar, "failed to alloc htt tx: %d\n", status);
2850 		goto err_wmi_detach;
2851 	}
2852 
2853 	/* If firmware indicates Full Rx Reorder support it must be used in a
2854 	 * slightly different manner. Let HTT code know.
2855 	 */
2856 	ar->htt.rx_ring.in_ord_rx = !!(test_bit(WMI_SERVICE_RX_FULL_REORDER,
2857 						ar->wmi.svc_map));
2858 
2859 	status = ath10k_htt_rx_alloc(&ar->htt);
2860 	if (status) {
2861 		ath10k_err(ar, "failed to alloc htt rx: %d\n", status);
2862 		goto err_htt_tx_detach;
2863 	}
2864 
2865 	status = ath10k_hif_start(ar);
2866 	if (status) {
2867 		ath10k_err(ar, "could not start HIF: %d\n", status);
2868 		goto err_htt_rx_detach;
2869 	}
2870 
2871 	status = ath10k_htc_wait_target(&ar->htc);
2872 	if (status) {
2873 		ath10k_err(ar, "failed to connect to HTC: %d\n", status);
2874 		goto err_hif_stop;
2875 	}
2876 
2877 	status = ath10k_hif_start_post(ar);
2878 	if (status) {
2879 		ath10k_err(ar, "failed to swap mailbox: %d\n", status);
2880 		goto err_hif_stop;
2881 	}
2882 
2883 	if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2884 		status = ath10k_htt_connect(&ar->htt);
2885 		if (status) {
2886 			ath10k_err(ar, "failed to connect htt (%d)\n", status);
2887 			goto err_hif_stop;
2888 		}
2889 	}
2890 
2891 	status = ath10k_wmi_connect(ar);
2892 	if (status) {
2893 		ath10k_err(ar, "could not connect wmi: %d\n", status);
2894 		goto err_hif_stop;
2895 	}
2896 
2897 	status = ath10k_htc_start(&ar->htc);
2898 	if (status) {
2899 		ath10k_err(ar, "failed to start htc: %d\n", status);
2900 		goto err_hif_stop;
2901 	}
2902 
2903 	if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2904 		status = ath10k_wmi_wait_for_service_ready(ar);
2905 		if (status) {
2906 			ath10k_warn(ar, "wmi service ready event not received");
2907 			goto err_hif_stop;
2908 		}
2909 	}
2910 
2911 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n",
2912 		   ar->hw->wiphy->fw_version);
2913 
2914 	if (test_bit(ATH10K_FW_FEATURE_IRAM_RECOVERY,
2915 		     ar->running_fw->fw_file.fw_features)) {
2916 		status = ath10k_core_copy_target_iram(ar);
2917 		if (status) {
2918 			ath10k_warn(ar, "failed to copy target iram contents: %d",
2919 				    status);
2920 			goto err_hif_stop;
2921 		}
2922 	}
2923 
2924 	if (test_bit(WMI_SERVICE_EXT_RES_CFG_SUPPORT, ar->wmi.svc_map) &&
2925 	    mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2926 		val = 0;
2927 		if (ath10k_peer_stats_enabled(ar))
2928 			val = WMI_10_4_PEER_STATS;
2929 
2930 		/* Enable vdev stats by default */
2931 		val |= WMI_10_4_VDEV_STATS;
2932 
2933 		if (test_bit(WMI_SERVICE_BSS_CHANNEL_INFO_64, ar->wmi.svc_map))
2934 			val |= WMI_10_4_BSS_CHANNEL_INFO_64;
2935 
2936 		ath10k_core_fetch_btcoex_dt(ar);
2937 
2938 		/* 10.4 firmware supports BT-Coex without reloading firmware
2939 		 * via pdev param. To support Bluetooth coexistence pdev param,
2940 		 * WMI_COEX_GPIO_SUPPORT of extended resource config should be
2941 		 * enabled always.
2942 		 *
2943 		 * We can still enable BTCOEX if firmware has the support
2944 		 * eventhough btceox_support value is
2945 		 * ATH10K_DT_BTCOEX_NOT_FOUND
2946 		 */
2947 
2948 		if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map) &&
2949 		    test_bit(ATH10K_FW_FEATURE_BTCOEX_PARAM,
2950 			     ar->running_fw->fw_file.fw_features) &&
2951 		    ar->coex_support)
2952 			val |= WMI_10_4_COEX_GPIO_SUPPORT;
2953 
2954 		if (test_bit(WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY,
2955 			     ar->wmi.svc_map))
2956 			val |= WMI_10_4_TDLS_EXPLICIT_MODE_ONLY;
2957 
2958 		if (test_bit(WMI_SERVICE_TDLS_UAPSD_BUFFER_STA,
2959 			     ar->wmi.svc_map))
2960 			val |= WMI_10_4_TDLS_UAPSD_BUFFER_STA;
2961 
2962 		if (test_bit(WMI_SERVICE_TX_DATA_ACK_RSSI,
2963 			     ar->wmi.svc_map))
2964 			val |= WMI_10_4_TX_DATA_ACK_RSSI;
2965 
2966 		if (test_bit(WMI_SERVICE_REPORT_AIRTIME, ar->wmi.svc_map))
2967 			val |= WMI_10_4_REPORT_AIRTIME;
2968 
2969 		if (test_bit(WMI_SERVICE_EXT_PEER_TID_CONFIGS_SUPPORT,
2970 			     ar->wmi.svc_map))
2971 			val |= WMI_10_4_EXT_PEER_TID_CONFIGS_SUPPORT;
2972 
2973 		status = ath10k_mac_ext_resource_config(ar, val);
2974 		if (status) {
2975 			ath10k_err(ar,
2976 				   "failed to send ext resource cfg command : %d\n",
2977 				   status);
2978 			goto err_hif_stop;
2979 		}
2980 	}
2981 
2982 	status = ath10k_wmi_cmd_init(ar);
2983 	if (status) {
2984 		ath10k_err(ar, "could not send WMI init command (%d)\n",
2985 			   status);
2986 		goto err_hif_stop;
2987 	}
2988 
2989 	status = ath10k_wmi_wait_for_unified_ready(ar);
2990 	if (status) {
2991 		ath10k_err(ar, "wmi unified ready event not received\n");
2992 		goto err_hif_stop;
2993 	}
2994 
2995 	status = ath10k_core_compat_services(ar);
2996 	if (status) {
2997 		ath10k_err(ar, "compat services failed: %d\n", status);
2998 		goto err_hif_stop;
2999 	}
3000 
3001 	status = ath10k_wmi_pdev_set_base_macaddr(ar, ar->mac_addr);
3002 	if (status && status != -EOPNOTSUPP) {
3003 		ath10k_err(ar,
3004 			   "failed to set base mac address: %d\n", status);
3005 		goto err_hif_stop;
3006 	}
3007 
3008 	/* Some firmware revisions do not properly set up hardware rx filter
3009 	 * registers.
3010 	 *
3011 	 * A known example from QCA9880 and 10.2.4 is that MAC_PCU_ADDR1_MASK
3012 	 * is filled with 0s instead of 1s allowing HW to respond with ACKs to
3013 	 * any frames that matches MAC_PCU_RX_FILTER which is also
3014 	 * misconfigured to accept anything.
3015 	 *
3016 	 * The ADDR1 is programmed using internal firmware structure field and
3017 	 * can't be (easily/sanely) reached from the driver explicitly. It is
3018 	 * possible to implicitly make it correct by creating a dummy vdev and
3019 	 * then deleting it.
3020 	 */
3021 	if (ar->hw_params.hw_filter_reset_required &&
3022 	    mode == ATH10K_FIRMWARE_MODE_NORMAL) {
3023 		status = ath10k_core_reset_rx_filter(ar);
3024 		if (status) {
3025 			ath10k_err(ar,
3026 				   "failed to reset rx filter: %d\n", status);
3027 			goto err_hif_stop;
3028 		}
3029 	}
3030 
3031 	status = ath10k_htt_rx_ring_refill(ar);
3032 	if (status) {
3033 		ath10k_err(ar, "failed to refill htt rx ring: %d\n", status);
3034 		goto err_hif_stop;
3035 	}
3036 
3037 	if (ar->max_num_vdevs >= 64)
3038 		ar->free_vdev_map = 0xFFFFFFFFFFFFFFFFLL;
3039 	else
3040 		ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
3041 
3042 	INIT_LIST_HEAD(&ar->arvifs);
3043 
3044 	/* we don't care about HTT in UTF mode */
3045 	if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
3046 		status = ath10k_htt_setup(&ar->htt);
3047 		if (status) {
3048 			ath10k_err(ar, "failed to setup htt: %d\n", status);
3049 			goto err_hif_stop;
3050 		}
3051 	}
3052 
3053 	status = ath10k_debug_start(ar);
3054 	if (status)
3055 		goto err_hif_stop;
3056 
3057 	status = ath10k_hif_set_target_log_mode(ar, fw_diag_log);
3058 	if (status && status != -EOPNOTSUPP) {
3059 		ath10k_warn(ar, "set target log mode failed: %d\n", status);
3060 		goto err_hif_stop;
3061 	}
3062 
3063 	return 0;
3064 
3065 err_hif_stop:
3066 	ath10k_hif_stop(ar);
3067 err_htt_rx_detach:
3068 	ath10k_htt_rx_free(&ar->htt);
3069 err_htt_tx_detach:
3070 	ath10k_htt_tx_free(&ar->htt);
3071 err_wmi_detach:
3072 	ath10k_wmi_detach(ar);
3073 err:
3074 	return status;
3075 }
3076 EXPORT_SYMBOL(ath10k_core_start);
3077 
ath10k_wait_for_suspend(struct ath10k * ar,u32 suspend_opt)3078 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt)
3079 {
3080 	int ret;
3081 	unsigned long time_left;
3082 
3083 	reinit_completion(&ar->target_suspend);
3084 
3085 	ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt);
3086 	if (ret) {
3087 		ath10k_warn(ar, "could not suspend target (%d)\n", ret);
3088 		return ret;
3089 	}
3090 
3091 	time_left = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ);
3092 
3093 	if (!time_left) {
3094 		ath10k_warn(ar, "suspend timed out - target pause event never came\n");
3095 		return -ETIMEDOUT;
3096 	}
3097 
3098 	return 0;
3099 }
3100 
ath10k_core_stop(struct ath10k * ar)3101 void ath10k_core_stop(struct ath10k *ar)
3102 {
3103 	lockdep_assert_held(&ar->conf_mutex);
3104 	ath10k_debug_stop(ar);
3105 
3106 	/* try to suspend target */
3107 	if (ar->state != ATH10K_STATE_RESTARTING &&
3108 	    ar->state != ATH10K_STATE_UTF)
3109 		ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);
3110 
3111 	ath10k_hif_stop(ar);
3112 	ath10k_htt_tx_stop(&ar->htt);
3113 	ath10k_htt_rx_free(&ar->htt);
3114 	ath10k_wmi_detach(ar);
3115 
3116 	ar->id.bmi_ids_valid = false;
3117 }
3118 EXPORT_SYMBOL(ath10k_core_stop);
3119 
3120 /* mac80211 manages fw/hw initialization through start/stop hooks. However in
3121  * order to know what hw capabilities should be advertised to mac80211 it is
3122  * necessary to load the firmware (and tear it down immediately since start
3123  * hook will try to init it again) before registering
3124  */
ath10k_core_probe_fw(struct ath10k * ar)3125 static int ath10k_core_probe_fw(struct ath10k *ar)
3126 {
3127 	struct bmi_target_info target_info;
3128 	int ret = 0;
3129 
3130 	ret = ath10k_hif_power_up(ar, ATH10K_FIRMWARE_MODE_NORMAL);
3131 	if (ret) {
3132 		ath10k_err(ar, "could not power on hif bus (%d)\n", ret);
3133 		return ret;
3134 	}
3135 
3136 	switch (ar->hif.bus) {
3137 	case ATH10K_BUS_SDIO:
3138 		memset(&target_info, 0, sizeof(target_info));
3139 		ret = ath10k_bmi_get_target_info_sdio(ar, &target_info);
3140 		if (ret) {
3141 			ath10k_err(ar, "could not get target info (%d)\n", ret);
3142 			goto err_power_down;
3143 		}
3144 		ar->target_version = target_info.version;
3145 		ar->hw->wiphy->hw_version = target_info.version;
3146 		break;
3147 	case ATH10K_BUS_PCI:
3148 	case ATH10K_BUS_AHB:
3149 	case ATH10K_BUS_USB:
3150 		memset(&target_info, 0, sizeof(target_info));
3151 		ret = ath10k_bmi_get_target_info(ar, &target_info);
3152 		if (ret) {
3153 			ath10k_err(ar, "could not get target info (%d)\n", ret);
3154 			goto err_power_down;
3155 		}
3156 		ar->target_version = target_info.version;
3157 		ar->hw->wiphy->hw_version = target_info.version;
3158 		break;
3159 	case ATH10K_BUS_SNOC:
3160 		memset(&target_info, 0, sizeof(target_info));
3161 		ret = ath10k_hif_get_target_info(ar, &target_info);
3162 		if (ret) {
3163 			ath10k_err(ar, "could not get target info (%d)\n", ret);
3164 			goto err_power_down;
3165 		}
3166 		ar->target_version = target_info.version;
3167 		ar->hw->wiphy->hw_version = target_info.version;
3168 		break;
3169 	default:
3170 		ath10k_err(ar, "incorrect hif bus type: %d\n", ar->hif.bus);
3171 	}
3172 
3173 	ret = ath10k_init_hw_params(ar);
3174 	if (ret) {
3175 		ath10k_err(ar, "could not get hw params (%d)\n", ret);
3176 		goto err_power_down;
3177 	}
3178 
3179 	ret = ath10k_core_fetch_firmware_files(ar);
3180 	if (ret) {
3181 		ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
3182 		goto err_power_down;
3183 	}
3184 
3185 	BUILD_BUG_ON(sizeof(ar->hw->wiphy->fw_version) !=
3186 		     sizeof(ar->normal_mode_fw.fw_file.fw_version));
3187 	memcpy(ar->hw->wiphy->fw_version, ar->normal_mode_fw.fw_file.fw_version,
3188 	       sizeof(ar->hw->wiphy->fw_version));
3189 
3190 	ath10k_debug_print_hwfw_info(ar);
3191 
3192 	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
3193 		      ar->normal_mode_fw.fw_file.fw_features)) {
3194 		ret = ath10k_core_pre_cal_download(ar);
3195 		if (ret) {
3196 			/* pre calibration data download is not necessary
3197 			 * for all the chipsets. Ignore failures and continue.
3198 			 */
3199 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
3200 				   "could not load pre cal data: %d\n", ret);
3201 		}
3202 
3203 		ret = ath10k_core_get_board_id_from_otp(ar);
3204 		if (ret && ret != -EOPNOTSUPP) {
3205 			ath10k_err(ar, "failed to get board id from otp: %d\n",
3206 				   ret);
3207 			goto err_free_firmware_files;
3208 		}
3209 
3210 		ret = ath10k_core_check_smbios(ar);
3211 		if (ret)
3212 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "SMBIOS bdf variant name not set.\n");
3213 
3214 		ret = ath10k_core_check_dt(ar);
3215 		if (ret)
3216 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "DT bdf variant name not set.\n");
3217 
3218 		ret = ath10k_core_fetch_board_file(ar, ATH10K_BD_IE_BOARD);
3219 		if (ret) {
3220 			ath10k_err(ar, "failed to fetch board file: %d\n", ret);
3221 			goto err_free_firmware_files;
3222 		}
3223 
3224 		ath10k_debug_print_board_info(ar);
3225 	}
3226 
3227 	device_get_mac_address(ar->dev, ar->mac_addr, sizeof(ar->mac_addr));
3228 
3229 	ret = ath10k_core_init_firmware_features(ar);
3230 	if (ret) {
3231 		ath10k_err(ar, "fatal problem with firmware features: %d\n",
3232 			   ret);
3233 		goto err_free_firmware_files;
3234 	}
3235 
3236 	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
3237 		      ar->normal_mode_fw.fw_file.fw_features)) {
3238 		ret = ath10k_swap_code_seg_init(ar,
3239 						&ar->normal_mode_fw.fw_file);
3240 		if (ret) {
3241 			ath10k_err(ar, "failed to initialize code swap segment: %d\n",
3242 				   ret);
3243 			goto err_free_firmware_files;
3244 		}
3245 	}
3246 
3247 	mutex_lock(&ar->conf_mutex);
3248 
3249 	ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL,
3250 				&ar->normal_mode_fw);
3251 	if (ret) {
3252 		ath10k_err(ar, "could not init core (%d)\n", ret);
3253 		goto err_unlock;
3254 	}
3255 
3256 	ath10k_debug_print_boot_info(ar);
3257 	ath10k_core_stop(ar);
3258 
3259 	mutex_unlock(&ar->conf_mutex);
3260 
3261 	ath10k_hif_power_down(ar);
3262 	return 0;
3263 
3264 err_unlock:
3265 	mutex_unlock(&ar->conf_mutex);
3266 
3267 err_free_firmware_files:
3268 	ath10k_core_free_firmware_files(ar);
3269 
3270 err_power_down:
3271 	ath10k_hif_power_down(ar);
3272 
3273 	return ret;
3274 }
3275 
ath10k_core_register_work(struct work_struct * work)3276 static void ath10k_core_register_work(struct work_struct *work)
3277 {
3278 	struct ath10k *ar = container_of(work, struct ath10k, register_work);
3279 	int status;
3280 
3281 	/* peer stats are enabled by default */
3282 	set_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags);
3283 
3284 	status = ath10k_core_probe_fw(ar);
3285 	if (status) {
3286 		ath10k_err(ar, "could not probe fw (%d)\n", status);
3287 		goto err;
3288 	}
3289 
3290 	status = ath10k_mac_register(ar);
3291 	if (status) {
3292 		ath10k_err(ar, "could not register to mac80211 (%d)\n", status);
3293 		goto err_release_fw;
3294 	}
3295 
3296 	status = ath10k_coredump_register(ar);
3297 	if (status) {
3298 		ath10k_err(ar, "unable to register coredump\n");
3299 		goto err_unregister_mac;
3300 	}
3301 
3302 	status = ath10k_debug_register(ar);
3303 	if (status) {
3304 		ath10k_err(ar, "unable to initialize debugfs\n");
3305 		goto err_unregister_coredump;
3306 	}
3307 
3308 	status = ath10k_spectral_create(ar);
3309 	if (status) {
3310 		ath10k_err(ar, "failed to initialize spectral\n");
3311 		goto err_debug_destroy;
3312 	}
3313 
3314 	status = ath10k_thermal_register(ar);
3315 	if (status) {
3316 		ath10k_err(ar, "could not register thermal device: %d\n",
3317 			   status);
3318 		goto err_spectral_destroy;
3319 	}
3320 
3321 	set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags);
3322 	return;
3323 
3324 err_spectral_destroy:
3325 	ath10k_spectral_destroy(ar);
3326 err_debug_destroy:
3327 	ath10k_debug_destroy(ar);
3328 err_unregister_coredump:
3329 	ath10k_coredump_unregister(ar);
3330 err_unregister_mac:
3331 	ath10k_mac_unregister(ar);
3332 err_release_fw:
3333 	ath10k_core_free_firmware_files(ar);
3334 err:
3335 	/* TODO: It's probably a good idea to release device from the driver
3336 	 * but calling device_release_driver() here will cause a deadlock.
3337 	 */
3338 	return;
3339 }
3340 
ath10k_core_register(struct ath10k * ar,const struct ath10k_bus_params * bus_params)3341 int ath10k_core_register(struct ath10k *ar,
3342 			 const struct ath10k_bus_params *bus_params)
3343 {
3344 	ar->bus_param = *bus_params;
3345 
3346 	queue_work(ar->workqueue, &ar->register_work);
3347 
3348 	return 0;
3349 }
3350 EXPORT_SYMBOL(ath10k_core_register);
3351 
ath10k_core_unregister(struct ath10k * ar)3352 void ath10k_core_unregister(struct ath10k *ar)
3353 {
3354 	cancel_work_sync(&ar->register_work);
3355 
3356 	if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags))
3357 		return;
3358 
3359 	ath10k_thermal_unregister(ar);
3360 	/* Stop spectral before unregistering from mac80211 to remove the
3361 	 * relayfs debugfs file cleanly. Otherwise the parent debugfs tree
3362 	 * would be already be free'd recursively, leading to a double free.
3363 	 */
3364 	ath10k_spectral_destroy(ar);
3365 
3366 	/* We must unregister from mac80211 before we stop HTC and HIF.
3367 	 * Otherwise we will fail to submit commands to FW and mac80211 will be
3368 	 * unhappy about callback failures.
3369 	 */
3370 	ath10k_mac_unregister(ar);
3371 
3372 	ath10k_testmode_destroy(ar);
3373 
3374 	ath10k_core_free_firmware_files(ar);
3375 	ath10k_core_free_board_files(ar);
3376 
3377 	ath10k_debug_unregister(ar);
3378 }
3379 EXPORT_SYMBOL(ath10k_core_unregister);
3380 
ath10k_core_create(size_t priv_size,struct device * dev,enum ath10k_bus bus,enum ath10k_hw_rev hw_rev,const struct ath10k_hif_ops * hif_ops)3381 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
3382 				  enum ath10k_bus bus,
3383 				  enum ath10k_hw_rev hw_rev,
3384 				  const struct ath10k_hif_ops *hif_ops)
3385 {
3386 	struct ath10k *ar;
3387 	int ret;
3388 
3389 	ar = ath10k_mac_create(priv_size);
3390 	if (!ar)
3391 		return NULL;
3392 
3393 	ar->ath_common.priv = ar;
3394 	ar->ath_common.hw = ar->hw;
3395 	ar->dev = dev;
3396 	ar->hw_rev = hw_rev;
3397 	ar->hif.ops = hif_ops;
3398 	ar->hif.bus = bus;
3399 
3400 	switch (hw_rev) {
3401 	case ATH10K_HW_QCA988X:
3402 	case ATH10K_HW_QCA9887:
3403 		ar->regs = &qca988x_regs;
3404 		ar->hw_ce_regs = &qcax_ce_regs;
3405 		ar->hw_values = &qca988x_values;
3406 		break;
3407 	case ATH10K_HW_QCA6174:
3408 	case ATH10K_HW_QCA9377:
3409 		ar->regs = &qca6174_regs;
3410 		ar->hw_ce_regs = &qcax_ce_regs;
3411 		ar->hw_values = &qca6174_values;
3412 		break;
3413 	case ATH10K_HW_QCA99X0:
3414 	case ATH10K_HW_QCA9984:
3415 		ar->regs = &qca99x0_regs;
3416 		ar->hw_ce_regs = &qcax_ce_regs;
3417 		ar->hw_values = &qca99x0_values;
3418 		break;
3419 	case ATH10K_HW_QCA9888:
3420 		ar->regs = &qca99x0_regs;
3421 		ar->hw_ce_regs = &qcax_ce_regs;
3422 		ar->hw_values = &qca9888_values;
3423 		break;
3424 	case ATH10K_HW_QCA4019:
3425 		ar->regs = &qca4019_regs;
3426 		ar->hw_ce_regs = &qcax_ce_regs;
3427 		ar->hw_values = &qca4019_values;
3428 		break;
3429 	case ATH10K_HW_WCN3990:
3430 		ar->regs = &wcn3990_regs;
3431 		ar->hw_ce_regs = &wcn3990_ce_regs;
3432 		ar->hw_values = &wcn3990_values;
3433 		break;
3434 	default:
3435 		ath10k_err(ar, "unsupported core hardware revision %d\n",
3436 			   hw_rev);
3437 		ret = -ENOTSUPP;
3438 		goto err_free_mac;
3439 	}
3440 
3441 	init_completion(&ar->scan.started);
3442 	init_completion(&ar->scan.completed);
3443 	init_completion(&ar->scan.on_channel);
3444 	init_completion(&ar->target_suspend);
3445 	init_completion(&ar->driver_recovery);
3446 	init_completion(&ar->wow.wakeup_completed);
3447 
3448 	init_completion(&ar->install_key_done);
3449 	init_completion(&ar->vdev_setup_done);
3450 	init_completion(&ar->vdev_delete_done);
3451 	init_completion(&ar->thermal.wmi_sync);
3452 	init_completion(&ar->bss_survey_done);
3453 	init_completion(&ar->peer_delete_done);
3454 	init_completion(&ar->peer_stats_info_complete);
3455 
3456 	INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
3457 
3458 	ar->workqueue = create_singlethread_workqueue("ath10k_wq");
3459 	if (!ar->workqueue)
3460 		goto err_free_mac;
3461 
3462 	ar->workqueue_aux = create_singlethread_workqueue("ath10k_aux_wq");
3463 	if (!ar->workqueue_aux)
3464 		goto err_free_wq;
3465 
3466 	ar->workqueue_tx_complete =
3467 		create_singlethread_workqueue("ath10k_tx_complete_wq");
3468 	if (!ar->workqueue_tx_complete)
3469 		goto err_free_aux_wq;
3470 
3471 	mutex_init(&ar->conf_mutex);
3472 	mutex_init(&ar->dump_mutex);
3473 	spin_lock_init(&ar->data_lock);
3474 
3475 	INIT_LIST_HEAD(&ar->peers);
3476 	init_waitqueue_head(&ar->peer_mapping_wq);
3477 	init_waitqueue_head(&ar->htt.empty_tx_wq);
3478 	init_waitqueue_head(&ar->wmi.tx_credits_wq);
3479 
3480 	skb_queue_head_init(&ar->htt.rx_indication_head);
3481 
3482 	init_completion(&ar->offchan_tx_completed);
3483 	INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work);
3484 	skb_queue_head_init(&ar->offchan_tx_queue);
3485 
3486 	INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work);
3487 	skb_queue_head_init(&ar->wmi_mgmt_tx_queue);
3488 
3489 	INIT_WORK(&ar->register_work, ath10k_core_register_work);
3490 	INIT_WORK(&ar->restart_work, ath10k_core_restart);
3491 	INIT_WORK(&ar->set_coverage_class_work,
3492 		  ath10k_core_set_coverage_class_work);
3493 
3494 	init_dummy_netdev(&ar->napi_dev);
3495 
3496 	ret = ath10k_coredump_create(ar);
3497 	if (ret)
3498 		goto err_free_tx_complete;
3499 
3500 	ret = ath10k_debug_create(ar);
3501 	if (ret)
3502 		goto err_free_coredump;
3503 
3504 	return ar;
3505 
3506 err_free_coredump:
3507 	ath10k_coredump_destroy(ar);
3508 err_free_tx_complete:
3509 	destroy_workqueue(ar->workqueue_tx_complete);
3510 err_free_aux_wq:
3511 	destroy_workqueue(ar->workqueue_aux);
3512 err_free_wq:
3513 	destroy_workqueue(ar->workqueue);
3514 err_free_mac:
3515 	ath10k_mac_destroy(ar);
3516 
3517 	return NULL;
3518 }
3519 EXPORT_SYMBOL(ath10k_core_create);
3520 
ath10k_core_destroy(struct ath10k * ar)3521 void ath10k_core_destroy(struct ath10k *ar)
3522 {
3523 	flush_workqueue(ar->workqueue);
3524 	destroy_workqueue(ar->workqueue);
3525 
3526 	flush_workqueue(ar->workqueue_aux);
3527 	destroy_workqueue(ar->workqueue_aux);
3528 
3529 	flush_workqueue(ar->workqueue_tx_complete);
3530 	destroy_workqueue(ar->workqueue_tx_complete);
3531 
3532 	ath10k_debug_destroy(ar);
3533 	ath10k_coredump_destroy(ar);
3534 	ath10k_htt_tx_destroy(&ar->htt);
3535 	ath10k_wmi_free_host_mem(ar);
3536 	ath10k_mac_destroy(ar);
3537 }
3538 EXPORT_SYMBOL(ath10k_core_destroy);
3539 
3540 MODULE_AUTHOR("Qualcomm Atheros");
3541 MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ac wireless LAN cards.");
3542 MODULE_LICENSE("Dual BSD/GPL");
3543